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Finding the Fourth Proportional to 8,354.68, 12,532.19 and 3,090.16

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Solution

The fourth proportional to 8,354.68, 12,532.19 and 3,090.16 is: 4,635.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,354.68 : 12,532.19 = 3,090.16 : x
  2. Step 2: Convert to fraction form
    8,354.68/12,532.19 = 3,090.16/x
  3. Step 3: Cross multiply
    8,354.68x = 12,532.19 × 3,090.16
  4. Step 4: Simplify right side
    8,354.68x = 38,726,516.16
  5. Step 5: Solve for x
    x = 38,726,516.16/8,354.68
  6. Step 6: Final answer
    x = 4,635.31

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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.