Home / 8,931.34-13,403.85-3,740.86

Finding the Fourth Proportional to 8,931.34, 13,403.85 and 3,740.86

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Solution

The fourth proportional to 8,931.34, 13,403.85 and 3,740.86 is: 5,614.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,931.34 : 13,403.85 = 3,740.86 : x
  2. Step 2: Convert to fraction form
    8,931.34/13,403.85 = 3,740.86/x
  3. Step 3: Cross multiply
    8,931.34x = 13,403.85 × 3,740.86
  4. Step 4: Simplify right side
    8,931.34x = 50,141,926.31
  5. Step 5: Solve for x
    x = 50,141,926.31/8,931.34
  6. Step 6: Final answer
    x = 5,614.15

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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.