Home / 5,589.89-7,714.43-3,200.62

Finding the Fourth Proportional to 5,589.89, 7,714.43 and 3,200.62

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Solution

The fourth proportional to 5,589.89, 7,714.43 and 3,200.62 is: 4,417.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.89 : 7,714.43 = 3,200.62 : x
  2. Step 2: Convert to fraction form
    5,589.89/7,714.43 = 3,200.62/x
  3. Step 3: Cross multiply
    5,589.89x = 7,714.43 × 3,200.62
  4. Step 4: Simplify right side
    5,589.89x = 24,690,935.66
  5. Step 5: Solve for x
    x = 24,690,935.66/5,589.89
  6. Step 6: Final answer
    x = 4,417.07

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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.