Home / 5,631.66-8,447.49-2,551.50

Finding the Fourth Proportional to 5,631.66, 8,447.49 and 2,551.50

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Solution

The fourth proportional to 5,631.66, 8,447.49 and 2,551.50 is: 3,827.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,631.66 : 8,447.49 = 2,551.50 : x
  2. Step 2: Convert to fraction form
    5,631.66/8,447.49 = 2,551.50/x
  3. Step 3: Cross multiply
    5,631.66x = 8,447.49 × 2,551.50
  4. Step 4: Simplify right side
    5,631.66x = 21,553,770.74
  5. Step 5: Solve for x
    x = 21,553,770.74/5,631.66
  6. Step 6: Final answer
    x = 3,827.25

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Half scale
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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.