Home / 5,641.38-7,787.01-3,285.48

Finding the Fourth Proportional to 5,641.38, 7,787.01 and 3,285.48

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Solution

The fourth proportional to 5,641.38, 7,787.01 and 3,285.48 is: 4,535.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.38 : 7,787.01 = 3,285.48 : x
  2. Step 2: Convert to fraction form
    5,641.38/7,787.01 = 3,285.48/x
  3. Step 3: Cross multiply
    5,641.38x = 7,787.01 × 3,285.48
  4. Step 4: Simplify right side
    5,641.38x = 25,584,065.61
  5. Step 5: Solve for x
    x = 25,584,065.61/5,641.38
  6. Step 6: Final answer
    x = 4,535.07

Related Problems

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.