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Finding the Fourth Proportional to 6,145.39, 9,218.04 and 1,528.39

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Solution

The fourth proportional to 6,145.39, 9,218.04 and 1,528.39 is: 2,292.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,145.39 : 9,218.04 = 1,528.39 : x
  2. Step 2: Convert to fraction form
    6,145.39/9,218.04 = 1,528.39/x
  3. Step 3: Cross multiply
    6,145.39x = 9,218.04 × 1,528.39
  4. Step 4: Simplify right side
    6,145.39x = 14,088,760.16
  5. Step 5: Solve for x
    x = 14,088,760.16/6,145.39
  6. Step 6: Final answer
    x = 2,292.57

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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.