Home / 5,358.38-7,397.81-3,498.62

Finding the Fourth Proportional to 5,358.38, 7,397.81 and 3,498.62

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Solution

The fourth proportional to 5,358.38, 7,397.81 and 3,498.62 is: 4,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,358.38 : 7,397.81 = 3,498.62 : x
  2. Step 2: Convert to fraction form
    5,358.38/7,397.81 = 3,498.62/x
  3. Step 3: Cross multiply
    5,358.38x = 7,397.81 × 3,498.62
  4. Step 4: Simplify right side
    5,358.38x = 25,882,071.54
  5. Step 5: Solve for x
    x = 25,882,071.54/5,358.38
  6. Step 6: Final answer
    x = 4,830.21

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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.