Home / 9,129.24-13,689.50-3,933

Finding the Fourth Proportional to 9,129.24, 13,689.50 and 3,933

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Solution

The fourth proportional to 9,129.24, 13,689.50 and 3,933 is: 5,897.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.24 : 13,689.50 = 3,933 : x
  2. Step 2: Convert to fraction form
    9,129.24/13,689.50 = 3,933/x
  3. Step 3: Cross multiply
    9,129.24x = 13,689.50 × 3,933
  4. Step 4: Simplify right side
    9,129.24x = 53,840,803.50
  5. Step 5: Solve for x
    x = 53,840,803.50/9,129.24
  6. Step 6: Final answer
    x = 5,897.62

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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.