Home / 8,311.74-12,463.55-2,763.17

Finding the Fourth Proportional to 8,311.74, 12,463.55 and 2,763.17

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Solution

The fourth proportional to 8,311.74, 12,463.55 and 2,763.17 is: 4,143.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,311.74 : 12,463.55 = 2,763.17 : x
  2. Step 2: Convert to fraction form
    8,311.74/12,463.55 = 2,763.17/x
  3. Step 3: Cross multiply
    8,311.74x = 12,463.55 × 2,763.17
  4. Step 4: Simplify right side
    8,311.74x = 34,438,907.45
  5. Step 5: Solve for x
    x = 34,438,907.45/8,311.74
  6. Step 6: Final answer
    x = 4,143.41

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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.