Home / 7,904.31-11,868.80-7,553.76

Finding the Fourth Proportional to 7,904.31, 11,868.80 and 7,553.76

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Solution

The fourth proportional to 7,904.31, 11,868.80 and 7,553.76 is: 11,342.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,904.31 : 11,868.80 = 7,553.76 : x
  2. Step 2: Convert to fraction form
    7,904.31/11,868.80 = 7,553.76/x
  3. Step 3: Cross multiply
    7,904.31x = 11,868.80 × 7,553.76
  4. Step 4: Simplify right side
    7,904.31x = 89,654,028.92
  5. Step 5: Solve for x
    x = 89,654,028.92/7,904.31
  6. Step 6: Final answer
    x = 11,342.42

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1.5x scale

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.