Home / 8,931.12-13,397.88-3,735.78

Finding the Fourth Proportional to 8,931.12, 13,397.88 and 3,735.78

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Solution

The fourth proportional to 8,931.12, 13,397.88 and 3,735.78 is: 5,604.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.12 : 13,397.88 = 3,735.78 : x
  2. Step 2: Convert to fraction form
    8,931.12/13,397.88 = 3,735.78/x
  3. Step 3: Cross multiply
    8,931.12x = 13,397.88 × 3,735.78
  4. Step 4: Simplify right side
    8,931.12x = 50,051,532.15
  5. Step 5: Solve for x
    x = 50,051,532.15/8,931.12
  6. Step 6: Final answer
    x = 5,604.17

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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.