Home / 7,688.88-10,610.53-4,332.02

Finding the Fourth Proportional to 7,688.88, 10,610.53 and 4,332.02

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Solution

The fourth proportional to 7,688.88, 10,610.53 and 4,332.02 is: 5,978.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,688.88 : 10,610.53 = 4,332.02 : x
  2. Step 2: Convert to fraction form
    7,688.88/10,610.53 = 4,332.02/x
  3. Step 3: Cross multiply
    7,688.88x = 10,610.53 × 4,332.02
  4. Step 4: Simplify right side
    7,688.88x = 45,964,964.29
  5. Step 5: Solve for x
    x = 45,964,964.29/7,688.88
  6. Step 6: Final answer
    x = 5,978.11

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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.