Home / 5,089.11-7,672.90-5,057.52

Finding the Fourth Proportional to 5,089.11, 7,672.90 and 5,057.52

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Solution

The fourth proportional to 5,089.11, 7,672.90 and 5,057.52 is: 7,625.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.11 : 7,672.90 = 5,057.52 : x
  2. Step 2: Convert to fraction form
    5,089.11/7,672.90 = 5,057.52/x
  3. Step 3: Cross multiply
    5,089.11x = 7,672.90 × 5,057.52
  4. Step 4: Simplify right side
    5,089.11x = 38,805,832.56
  5. Step 5: Solve for x
    x = 38,805,832.56/5,089.11
  6. Step 6: Final answer
    x = 7,625.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.