Home / 5,516.16-8,266.56-2,587.20

Finding the Fourth Proportional to 5,516.16, 8,266.56 and 2,587.20

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Solution

The fourth proportional to 5,516.16, 8,266.56 and 2,587.20 is: 3,877.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,516.16 : 8,266.56 = 2,587.20 : x
  2. Step 2: Convert to fraction form
    5,516.16/8,266.56 = 2,587.20/x
  3. Step 3: Cross multiply
    5,516.16x = 8,266.56 × 2,587.20
  4. Step 4: Simplify right side
    5,516.16x = 21,387,244.03
  5. Step 5: Solve for x
    x = 21,387,244.03/5,516.16
  6. Step 6: Final answer
    x = 3,877.20

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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.