Home / 7,645.38-10,552.88-4,993.20

Finding the Fourth Proportional to 7,645.38, 10,552.88 and 4,993.20

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Solution

The fourth proportional to 7,645.38, 10,552.88 and 4,993.20 is: 6,892.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,645.38 : 10,552.88 = 4,993.20 : x
  2. Step 2: Convert to fraction form
    7,645.38/10,552.88 = 4,993.20/x
  3. Step 3: Cross multiply
    7,645.38x = 10,552.88 × 4,993.20
  4. Step 4: Simplify right side
    7,645.38x = 52,692,640.42
  5. Step 5: Solve for x
    x = 52,692,640.42/7,645.38
  6. Step 6: Final answer
    x = 6,892.09

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Half scale
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Double scale
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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.