Home / 8,937.23-13,403.24-3,386.57

Finding the Fourth Proportional to 8,937.23, 13,403.24 and 3,386.57

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Solution

The fourth proportional to 8,937.23, 13,403.24 and 3,386.57 is: 5,078.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,937.23 : 13,403.24 = 3,386.57 : x
  2. Step 2: Convert to fraction form
    8,937.23/13,403.24 = 3,386.57/x
  3. Step 3: Cross multiply
    8,937.23x = 13,403.24 × 3,386.57
  4. Step 4: Simplify right side
    8,937.23x = 45,391,039.76
  5. Step 5: Solve for x
    x = 45,391,039.76/8,937.23
  6. Step 6: Final answer
    x = 5,078.87

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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.