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Finding the Fourth Proportional to 8,358.97, 12,535.04 and 3,615.40

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Solution

The fourth proportional to 8,358.97, 12,535.04 and 3,615.40 is: 5,421.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,358.97 : 12,535.04 = 3,615.40 : x
  2. Step 2: Convert to fraction form
    8,358.97/12,535.04 = 3,615.40/x
  3. Step 3: Cross multiply
    8,358.97x = 12,535.04 × 3,615.40
  4. Step 4: Simplify right side
    8,358.97x = 45,319,229.68
  5. Step 5: Solve for x
    x = 45,319,229.68/8,358.97
  6. Step 6: Final answer
    x = 5,421.63

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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.