Home / 5,589.90-7,715.19-3,232.80

Finding the Fourth Proportional to 5,589.90, 7,715.19 and 3,232.80

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Solution

The fourth proportional to 5,589.90, 7,715.19 and 3,232.80 is: 4,461.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.90 : 7,715.19 = 3,232.80 : x
  2. Step 2: Convert to fraction form
    5,589.90/7,715.19 = 3,232.80/x
  3. Step 3: Cross multiply
    5,589.90x = 7,715.19 × 3,232.80
  4. Step 4: Simplify right side
    5,589.90x = 24,941,666.23
  5. Step 5: Solve for x
    x = 24,941,666.23/5,589.90
  6. Step 6: Final answer
    x = 4,461.92

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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.