Home / 5,426.52-8,139.78-2,650.84

Finding the Fourth Proportional to 5,426.52, 8,139.78 and 2,650.84

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Solution

The fourth proportional to 5,426.52, 8,139.78 and 2,650.84 is: 3,976.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,426.52 : 8,139.78 = 2,650.84 : x
  2. Step 2: Convert to fraction form
    5,426.52/8,139.78 = 2,650.84/x
  3. Step 3: Cross multiply
    5,426.52x = 8,139.78 × 2,650.84
  4. Step 4: Simplify right side
    5,426.52x = 21,577,254.42
  5. Step 5: Solve for x
    x = 21,577,254.42/5,426.52
  6. Step 6: Final answer
    x = 3,976.26

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Double scale
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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.