Home / 9,325.65-13,989.02-3,778.86

Finding the Fourth Proportional to 9,325.65, 13,989.02 and 3,778.86

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Solution

The fourth proportional to 9,325.65, 13,989.02 and 3,778.86 is: 5,668.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,325.65 : 13,989.02 = 3,778.86 : x
  2. Step 2: Convert to fraction form
    9,325.65/13,989.02 = 3,778.86/x
  3. Step 3: Cross multiply
    9,325.65x = 13,989.02 × 3,778.86
  4. Step 4: Simplify right side
    9,325.65x = 52,862,529.22
  5. Step 5: Solve for x
    x = 52,862,529.22/9,325.65
  6. Step 6: Final answer
    x = 5,668.51

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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.