Home / 9,381.78-14,074.19-3,538.90

Finding the Fourth Proportional to 9,381.78, 14,074.19 and 3,538.90

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Solution

The fourth proportional to 9,381.78, 14,074.19 and 3,538.90 is: 5,308.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.78 : 14,074.19 = 3,538.90 : x
  2. Step 2: Convert to fraction form
    9,381.78/14,074.19 = 3,538.90/x
  3. Step 3: Cross multiply
    9,381.78x = 14,074.19 × 3,538.90
  4. Step 4: Simplify right side
    9,381.78x = 49,807,150.99
  5. Step 5: Solve for x
    x = 49,807,150.99/9,381.78
  6. Step 6: Final answer
    x = 5,308.92

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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.