Home / 6,145.35-9,218.05-1,528.35

Finding the Fourth Proportional to 6,145.35, 9,218.05 and 1,528.35

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Solution

The fourth proportional to 6,145.35, 9,218.05 and 1,528.35 is: 2,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.35 : 9,218.05 = 1,528.35 : x
  2. Step 2: Convert to fraction form
    6,145.35/9,218.05 = 1,528.35/x
  3. Step 3: Cross multiply
    6,145.35x = 9,218.05 × 1,528.35
  4. Step 4: Simplify right side
    6,145.35x = 14,088,360.63
  5. Step 5: Solve for x
    x = 14,088,360.63/6,145.35
  6. Step 6: Final answer
    x = 2,292.53

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Double scale
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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.