Home / 5,680.16-8,512.68-2,752.64

Finding the Fourth Proportional to 5,680.16, 8,512.68 and 2,752.64

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Solution

The fourth proportional to 5,680.16, 8,512.68 and 2,752.64 is: 4,125.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,680.16 : 8,512.68 = 2,752.64 : x
  2. Step 2: Convert to fraction form
    5,680.16/8,512.68 = 2,752.64/x
  3. Step 3: Cross multiply
    5,680.16x = 8,512.68 × 2,752.64
  4. Step 4: Simplify right side
    5,680.16x = 23,432,343.48
  5. Step 5: Solve for x
    x = 23,432,343.48/5,680.16
  6. Step 6: Final answer
    x = 4,125.30

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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.