Home / 7,489.82-10,335.78-4,132.95

Finding the Fourth Proportional to 7,489.82, 10,335.78 and 4,132.95

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Solution

The fourth proportional to 7,489.82, 10,335.78 and 4,132.95 is: 5,703.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.82 : 10,335.78 = 4,132.95 : x
  2. Step 2: Convert to fraction form
    7,489.82/10,335.78 = 4,132.95/x
  3. Step 3: Cross multiply
    7,489.82x = 10,335.78 × 4,132.95
  4. Step 4: Simplify right side
    7,489.82x = 42,717,261.95
  5. Step 5: Solve for x
    x = 42,717,261.95/7,489.82
  6. Step 6: Final answer
    x = 5,703.38

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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.