Home / 4,154.20-6,231.30-3,927.40

Finding the Fourth Proportional to 4,154.20, 6,231.30 and 3,927.40

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Solution

The fourth proportional to 4,154.20, 6,231.30 and 3,927.40 is: 5,891.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,154.20 : 6,231.30 = 3,927.40 : x
  2. Step 2: Convert to fraction form
    4,154.20/6,231.30 = 3,927.40/x
  3. Step 3: Cross multiply
    4,154.20x = 6,231.30 × 3,927.40
  4. Step 4: Simplify right side
    4,154.20x = 24,472,807.62
  5. Step 5: Solve for x
    x = 24,472,807.62/4,154.20
  6. Step 6: Final answer
    x = 5,891.10

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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.