Home / 9,222.46-12,726.13-5,242.79

Finding the Fourth Proportional to 9,222.46, 12,726.13 and 5,242.79

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Solution

The fourth proportional to 9,222.46, 12,726.13 and 5,242.79 is: 7,234.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.46 : 12,726.13 = 5,242.79 : x
  2. Step 2: Convert to fraction form
    9,222.46/12,726.13 = 5,242.79/x
  3. Step 3: Cross multiply
    9,222.46x = 12,726.13 × 5,242.79
  4. Step 4: Simplify right side
    9,222.46x = 66,720,427.10
  5. Step 5: Solve for x
    x = 66,720,427.10/9,222.46
  6. Step 6: Final answer
    x = 7,234.56

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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.