Home / 5,565.52-7,680.40-3,081.52

Finding the Fourth Proportional to 5,565.52, 7,680.40 and 3,081.52

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Solution

The fourth proportional to 5,565.52, 7,680.40 and 3,081.52 is: 4,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.52 : 7,680.40 = 3,081.52 : x
  2. Step 2: Convert to fraction form
    5,565.52/7,680.40 = 3,081.52/x
  3. Step 3: Cross multiply
    5,565.52x = 7,680.40 × 3,081.52
  4. Step 4: Simplify right side
    5,565.52x = 23,667,306.21
  5. Step 5: Solve for x
    x = 23,667,306.21/5,565.52
  6. Step 6: Final answer
    x = 4,252.49

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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.