Home / 6,126.46-9,178.11-3,620.17

Finding the Fourth Proportional to 6,126.46, 9,178.11 and 3,620.17

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Solution

The fourth proportional to 6,126.46, 9,178.11 and 3,620.17 is: 5,423.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,126.46 : 9,178.11 = 3,620.17 : x
  2. Step 2: Convert to fraction form
    6,126.46/9,178.11 = 3,620.17/x
  3. Step 3: Cross multiply
    6,126.46x = 9,178.11 × 3,620.17
  4. Step 4: Simplify right side
    6,126.46x = 33,226,295.53
  5. Step 5: Solve for x
    x = 33,226,295.53/6,126.46
  6. Step 6: Final answer
    x = 5,423.41

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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.