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Finding the Fourth Proportional to 5,652.48, 8,478.72 and 1,755.84

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Solution

The fourth proportional to 5,652.48, 8,478.72 and 1,755.84 is: 2,633.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,652.48 : 8,478.72 = 1,755.84 : x
  2. Step 2: Convert to fraction form
    5,652.48/8,478.72 = 1,755.84/x
  3. Step 3: Cross multiply
    5,652.48x = 8,478.72 × 1,755.84
  4. Step 4: Simplify right side
    5,652.48x = 14,887,275.72
  5. Step 5: Solve for x
    x = 14,887,275.72/5,652.48
  6. Step 6: Final answer
    x = 2,633.76

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Similar ratio
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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.