Home / 5,565.42-7,680.45-3,175.74

Finding the Fourth Proportional to 5,565.42, 7,680.45 and 3,175.74

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Solution

The fourth proportional to 5,565.42, 7,680.45 and 3,175.74 is: 4,382.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,565.42 : 7,680.45 = 3,175.74 : x
  2. Step 2: Convert to fraction form
    5,565.42/7,680.45 = 3,175.74/x
  3. Step 3: Cross multiply
    5,565.42x = 7,680.45 × 3,175.74
  4. Step 4: Simplify right side
    5,565.42x = 24,391,112.28
  5. Step 5: Solve for x
    x = 24,391,112.28/5,565.42
  6. Step 6: Final answer
    x = 4,382.62

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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.