Home / 5,191.54-7,781.40-4,565.62

Finding the Fourth Proportional to 5,191.54, 7,781.40 and 4,565.62

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Solution

The fourth proportional to 5,191.54, 7,781.40 and 4,565.62 is: 6,843.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,191.54 : 7,781.40 = 4,565.62 : x
  2. Step 2: Convert to fraction form
    5,191.54/7,781.40 = 4,565.62/x
  3. Step 3: Cross multiply
    5,191.54x = 7,781.40 × 4,565.62
  4. Step 4: Simplify right side
    5,191.54x = 35,526,915.47
  5. Step 5: Solve for x
    x = 35,526,915.47/5,191.54
  6. Step 6: Final answer
    x = 6,843.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.