Home / 4,878.18-7,311.06-2,275.38

Finding the Fourth Proportional to 4,878.18, 7,311.06 and 2,275.38

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Solution

The fourth proportional to 4,878.18, 7,311.06 and 2,275.38 is: 3,410.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,878.18 : 7,311.06 = 2,275.38 : x
  2. Step 2: Convert to fraction form
    4,878.18/7,311.06 = 2,275.38/x
  3. Step 3: Cross multiply
    4,878.18x = 7,311.06 × 2,275.38
  4. Step 4: Simplify right side
    4,878.18x = 16,635,439.70
  5. Step 5: Solve for x
    x = 16,635,439.70/4,878.18
  6. Step 6: Final answer
    x = 3,410.17

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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.