Home / 7,425.82-10,248.12-4,282.21

Finding the Fourth Proportional to 7,425.82, 10,248.12 and 4,282.21

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Solution

The fourth proportional to 7,425.82, 10,248.12 and 4,282.21 is: 5,909.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,425.82 : 10,248.12 = 4,282.21 : x
  2. Step 2: Convert to fraction form
    7,425.82/10,248.12 = 4,282.21/x
  3. Step 3: Cross multiply
    7,425.82x = 10,248.12 × 4,282.21
  4. Step 4: Simplify right side
    7,425.82x = 43,884,601.95
  5. Step 5: Solve for x
    x = 43,884,601.95/7,425.82
  6. Step 6: Final answer
    x = 5,909.73

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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.