Home / 7,689.17-10,610.75-4,332.65

Finding the Fourth Proportional to 7,689.17, 10,610.75 and 4,332.65

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Solution

The fourth proportional to 7,689.17, 10,610.75 and 4,332.65 is: 5,978.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,689.17 : 10,610.75 = 4,332.65 : x
  2. Step 2: Convert to fraction form
    7,689.17/10,610.75 = 4,332.65/x
  3. Step 3: Cross multiply
    7,689.17x = 10,610.75 × 4,332.65
  4. Step 4: Simplify right side
    7,689.17x = 45,972,674.00
  5. Step 5: Solve for x
    x = 45,972,674.00/7,689.17
  6. Step 6: Final answer
    x = 5,978.89

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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.