Home / 4,881.15-7,318.44-4,178.88

Finding the Fourth Proportional to 4,881.15, 7,318.44 and 4,178.88

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Solution

The fourth proportional to 4,881.15, 7,318.44 and 4,178.88 is: 6,265.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,881.15 : 7,318.44 = 4,178.88 : x
  2. Step 2: Convert to fraction form
    4,881.15/7,318.44 = 4,178.88/x
  3. Step 3: Cross multiply
    4,881.15x = 7,318.44 × 4,178.88
  4. Step 4: Simplify right side
    4,881.15x = 30,582,882.55
  5. Step 5: Solve for x
    x = 30,582,882.55/4,881.15
  6. Step 6: Final answer
    x = 6,265.51

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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.