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Finding the Fourth Proportional to 6,145.99, 9,218.96 and 1,528.99

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Solution

The fourth proportional to 6,145.99, 9,218.96 and 1,528.99 is: 2,293.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.99 : 9,218.96 = 1,528.99 : x
  2. Step 2: Convert to fraction form
    6,145.99/9,218.96 = 1,528.99/x
  3. Step 3: Cross multiply
    6,145.99x = 9,218.96 × 1,528.99
  4. Step 4: Simplify right side
    6,145.99x = 14,095,651.56
  5. Step 5: Solve for x
    x = 14,095,651.56/6,145.99
  6. Step 6: Final answer
    x = 2,293.47

Related Problems

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.