Home / 5,451.71-8,177.56-1,754.26

Finding the Fourth Proportional to 5,451.71, 8,177.56 and 1,754.26

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Solution

The fourth proportional to 5,451.71, 8,177.56 and 1,754.26 is: 2,631.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,451.71 : 8,177.56 = 1,754.26 : x
  2. Step 2: Convert to fraction form
    5,451.71/8,177.56 = 1,754.26/x
  3. Step 3: Cross multiply
    5,451.71x = 8,177.56 × 1,754.26
  4. Step 4: Simplify right side
    5,451.71x = 14,345,541.58
  5. Step 5: Solve for x
    x = 14,345,541.58/5,451.71
  6. Step 6: Final answer
    x = 2,631.39

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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.