Home / 8,938.41-13,395.24-3,385.86

Finding the Fourth Proportional to 8,938.41, 13,395.24 and 3,385.86

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Solution

The fourth proportional to 8,938.41, 13,395.24 and 3,385.86 is: 5,074.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,938.41 : 13,395.24 = 3,385.86 : x
  2. Step 2: Convert to fraction form
    8,938.41/13,395.24 = 3,385.86/x
  3. Step 3: Cross multiply
    8,938.41x = 13,395.24 × 3,385.86
  4. Step 4: Simplify right side
    8,938.41x = 45,354,407.31
  5. Step 5: Solve for x
    x = 45,354,407.31/8,938.41
  6. Step 6: Final answer
    x = 5,074.10

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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.