Home / 9,325.45-13,988.22-3,778.90

Finding the Fourth Proportional to 9,325.45, 13,988.22 and 3,778.90

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Solution

The fourth proportional to 9,325.45, 13,988.22 and 3,778.90 is: 5,668.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.45 : 13,988.22 = 3,778.90 : x
  2. Step 2: Convert to fraction form
    9,325.45/13,988.22 = 3,778.90/x
  3. Step 3: Cross multiply
    9,325.45x = 13,988.22 × 3,778.90
  4. Step 4: Simplify right side
    9,325.45x = 52,860,084.56
  5. Step 5: Solve for x
    x = 52,860,084.56/9,325.45
  6. Step 6: Final answer
    x = 5,668.37

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