Home / 8,330.31-11,483.92-5,141.47

Finding the Fourth Proportional to 8,330.31, 11,483.92 and 5,141.47

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Solution

The fourth proportional to 8,330.31, 11,483.92 and 5,141.47 is: 7,087.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,330.31 : 11,483.92 = 5,141.47 : x
  2. Step 2: Convert to fraction form
    8,330.31/11,483.92 = 5,141.47/x
  3. Step 3: Cross multiply
    8,330.31x = 11,483.92 × 5,141.47
  4. Step 4: Simplify right side
    8,330.31x = 59,044,204.46
  5. Step 5: Solve for x
    x = 59,044,204.46/8,330.31
  6. Step 6: Final answer
    x = 7,087.88

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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.