Home / 5,565.25-7,680.05-3,081.25

Finding the Fourth Proportional to 5,565.25, 7,680.05 and 3,081.25

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Solution

The fourth proportional to 5,565.25, 7,680.05 and 3,081.25 is: 4,252.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.25 : 7,680.05 = 3,081.25 : x
  2. Step 2: Convert to fraction form
    5,565.25/7,680.05 = 3,081.25/x
  3. Step 3: Cross multiply
    5,565.25x = 7,680.05 × 3,081.25
  4. Step 4: Simplify right side
    5,565.25x = 23,664,154.06
  5. Step 5: Solve for x
    x = 23,664,154.06/5,565.25
  6. Step 6: Final answer
    x = 4,252.13

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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.