Home / 7,015.40-10,523.10-3,726.80

Finding the Fourth Proportional to 7,015.40, 10,523.10 and 3,726.80

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Solution

The fourth proportional to 7,015.40, 10,523.10 and 3,726.80 is: 5,590.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,015.40 : 10,523.10 = 3,726.80 : x
  2. Step 2: Convert to fraction form
    7,015.40/10,523.10 = 3,726.80/x
  3. Step 3: Cross multiply
    7,015.40x = 10,523.10 × 3,726.80
  4. Step 4: Simplify right side
    7,015.40x = 39,217,489.08
  5. Step 5: Solve for x
    x = 39,217,489.08/7,015.40
  6. Step 6: Final answer
    x = 5,590.20

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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.