Home / 5,671.50-8,507.25-2,211.18

Finding the Fourth Proportional to 5,671.50, 8,507.25 and 2,211.18

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Solution

The fourth proportional to 5,671.50, 8,507.25 and 2,211.18 is: 3,316.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,671.50 : 8,507.25 = 2,211.18 : x
  2. Step 2: Convert to fraction form
    5,671.50/8,507.25 = 2,211.18/x
  3. Step 3: Cross multiply
    5,671.50x = 8,507.25 × 2,211.18
  4. Step 4: Simplify right side
    5,671.50x = 18,811,061.06
  5. Step 5: Solve for x
    x = 18,811,061.06/5,671.50
  6. Step 6: Final answer
    x = 3,316.77

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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.