Home / 7,472.80-11,218.88-5,282.56

Finding the Fourth Proportional to 7,472.80, 11,218.88 and 5,282.56

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Solution

The fourth proportional to 7,472.80, 11,218.88 and 5,282.56 is: 7,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,472.80 : 11,218.88 = 5,282.56 : x
  2. Step 2: Convert to fraction form
    7,472.80/11,218.88 = 5,282.56/x
  3. Step 3: Cross multiply
    7,472.80x = 11,218.88 × 5,282.56
  4. Step 4: Simplify right side
    7,472.80x = 59,264,406.73
  5. Step 5: Solve for x
    x = 59,264,406.73/7,472.80
  6. Step 6: Final answer
    x = 7,930.68

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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.