Home / 5,376.27-8,066.72-2,781.03

Finding the Fourth Proportional to 5,376.27, 8,066.72 and 2,781.03

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Solution

The fourth proportional to 5,376.27, 8,066.72 and 2,781.03 is: 4,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,376.27 : 8,066.72 = 2,781.03 : x
  2. Step 2: Convert to fraction form
    5,376.27/8,066.72 = 2,781.03/x
  3. Step 3: Cross multiply
    5,376.27x = 8,066.72 × 2,781.03
  4. Step 4: Simplify right side
    5,376.27x = 22,433,776.42
  5. Step 5: Solve for x
    x = 22,433,776.42/5,376.27
  6. Step 6: Final answer
    x = 4,172.74

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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.