Home / 5,565.20-7,679.97-3,047.31

Finding the Fourth Proportional to 5,565.20, 7,679.97 and 3,047.31

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Solution

The fourth proportional to 5,565.20, 7,679.97 and 3,047.31 is: 4,205.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.20 : 7,679.97 = 3,047.31 : x
  2. Step 2: Convert to fraction form
    5,565.20/7,679.97 = 3,047.31/x
  3. Step 3: Cross multiply
    5,565.20x = 7,679.97 × 3,047.31
  4. Step 4: Simplify right side
    5,565.20x = 23,403,210.98
  5. Step 5: Solve for x
    x = 23,403,210.98/5,565.20
  6. Step 6: Final answer
    x = 4,205.28

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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.