Home / 5,262.28-7,894.56-2,631.20

Finding the Fourth Proportional to 5,262.28, 7,894.56 and 2,631.20

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Solution

The fourth proportional to 5,262.28, 7,894.56 and 2,631.20 is: 3,947.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,262.28 : 7,894.56 = 2,631.20 : x
  2. Step 2: Convert to fraction form
    5,262.28/7,894.56 = 2,631.20/x
  3. Step 3: Cross multiply
    5,262.28x = 7,894.56 × 2,631.20
  4. Step 4: Simplify right side
    5,262.28x = 20,772,166.27
  5. Step 5: Solve for x
    x = 20,772,166.27/5,262.28
  6. Step 6: Final answer
    x = 3,947.37

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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.