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Finding the Fourth Proportional to 6,751.52, 10,124.85 and 2,856.20

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Solution

The fourth proportional to 6,751.52, 10,124.85 and 2,856.20 is: 4,283.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,751.52 : 10,124.85 = 2,856.20 : x
  2. Step 2: Convert to fraction form
    6,751.52/10,124.85 = 2,856.20/x
  3. Step 3: Cross multiply
    6,751.52x = 10,124.85 × 2,856.20
  4. Step 4: Simplify right side
    6,751.52x = 28,918,596.57
  5. Step 5: Solve for x
    x = 28,918,596.57/6,751.52
  6. Step 6: Final answer
    x = 4,283.27

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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.