Home / 7,689.47-10,610.71-4,332.88

Finding the Fourth Proportional to 7,689.47, 10,610.71 and 4,332.88

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Solution

The fourth proportional to 7,689.47, 10,610.71 and 4,332.88 is: 5,978.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.47 : 10,610.71 = 4,332.88 : x
  2. Step 2: Convert to fraction form
    7,689.47/10,610.71 = 4,332.88/x
  3. Step 3: Cross multiply
    7,689.47x = 10,610.71 × 4,332.88
  4. Step 4: Simplify right side
    7,689.47x = 45,974,926.75
  5. Step 5: Solve for x
    x = 45,974,926.75/7,689.47
  6. Step 6: Final answer
    x = 5,978.95

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1.5x scale

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.