Home / 9,219.12-12,722.46-5,027.38

Finding the Fourth Proportional to 9,219.12, 12,722.46 and 5,027.38

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Solution

The fourth proportional to 9,219.12, 12,722.46 and 5,027.38 is: 6,937.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,219.12 : 12,722.46 = 5,027.38 : x
  2. Step 2: Convert to fraction form
    9,219.12/12,722.46 = 5,027.38/x
  3. Step 3: Cross multiply
    9,219.12x = 12,722.46 × 5,027.38
  4. Step 4: Simplify right side
    9,219.12x = 63,960,640.95
  5. Step 5: Solve for x
    x = 63,960,640.95/9,219.12
  6. Step 6: Final answer
    x = 6,937.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.