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Finding the Fourth Proportional to 6,752.72, 10,130.16 and 2,857.16

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Solution

The fourth proportional to 6,752.72, 10,130.16 and 2,857.16 is: 4,286.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,752.72 : 10,130.16 = 2,857.16 : x
  2. Step 2: Convert to fraction form
    6,752.72/10,130.16 = 2,857.16/x
  3. Step 3: Cross multiply
    6,752.72x = 10,130.16 × 2,857.16
  4. Step 4: Simplify right side
    6,752.72x = 28,943,487.95
  5. Step 5: Solve for x
    x = 28,943,487.95/6,752.72
  6. Step 6: Final answer
    x = 4,286.20

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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.