Home / 7,348.83-10,141.36-3,991.62

Finding the Fourth Proportional to 7,348.83, 10,141.36 and 3,991.62

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Solution

The fourth proportional to 7,348.83, 10,141.36 and 3,991.62 is: 5,508.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,348.83 : 10,141.36 = 3,991.62 : x
  2. Step 2: Convert to fraction form
    7,348.83/10,141.36 = 3,991.62/x
  3. Step 3: Cross multiply
    7,348.83x = 10,141.36 × 3,991.62
  4. Step 4: Simplify right side
    7,348.83x = 40,480,455.40
  5. Step 5: Solve for x
    x = 40,480,455.40/7,348.83
  6. Step 6: Final answer
    x = 5,508.42

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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.