Home / 7,489.85-10,335.93-4,132.70

Finding the Fourth Proportional to 7,489.85, 10,335.93 and 4,132.70

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Solution

The fourth proportional to 7,489.85, 10,335.93 and 4,132.70 is: 5,703.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,489.85 : 10,335.93 = 4,132.70 : x
  2. Step 2: Convert to fraction form
    7,489.85/10,335.93 = 4,132.70/x
  3. Step 3: Cross multiply
    7,489.85x = 10,335.93 × 4,132.70
  4. Step 4: Simplify right side
    7,489.85x = 42,715,252.05
  5. Step 5: Solve for x
    x = 42,715,252.05/7,489.85
  6. Step 6: Final answer
    x = 5,703.08

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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.