Home / 5,688.38-8,532.56-2,223.20

Finding the Fourth Proportional to 5,688.38, 8,532.56 and 2,223.20

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Solution

The fourth proportional to 5,688.38, 8,532.56 and 2,223.20 is: 3,334.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,688.38 : 8,532.56 = 2,223.20 : x
  2. Step 2: Convert to fraction form
    5,688.38/8,532.56 = 2,223.20/x
  3. Step 3: Cross multiply
    5,688.38x = 8,532.56 × 2,223.20
  4. Step 4: Simplify right side
    5,688.38x = 18,969,533.61
  5. Step 5: Solve for x
    x = 18,969,533.61/5,688.38
  6. Step 6: Final answer
    x = 3,334.79

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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.