Home / 4,178.67-6,237.62-3,989.13

Finding the Fourth Proportional to 4,178.67, 6,237.62 and 3,989.13

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Solution

The fourth proportional to 4,178.67, 6,237.62 and 3,989.13 is: 5,954.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,178.67 : 6,237.62 = 3,989.13 : x
  2. Step 2: Convert to fraction form
    4,178.67/6,237.62 = 3,989.13/x
  3. Step 3: Cross multiply
    4,178.67x = 6,237.62 × 3,989.13
  4. Step 4: Simplify right side
    4,178.67x = 24,882,657.12
  5. Step 5: Solve for x
    x = 24,882,657.12/4,178.67
  6. Step 6: Final answer
    x = 5,954.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.