Home / 8,869.50-12,240-5,332.77

Finding the Fourth Proportional to 8,869.50, 12,240 and 5,332.77

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Solution

The fourth proportional to 8,869.50, 12,240 and 5,332.77 is: 7,359.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,869.50 : 12,240 = 5,332.77 : x
  2. Step 2: Convert to fraction form
    8,869.50/12,240 = 5,332.77/x
  3. Step 3: Cross multiply
    8,869.50x = 12,240 × 5,332.77
  4. Step 4: Simplify right side
    8,869.50x = 65,273,104.80
  5. Step 5: Solve for x
    x = 65,273,104.80/8,869.50
  6. Step 6: Final answer
    x = 7,359.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.