Home / 9,222.28-12,726.80-5,244.72

Finding the Fourth Proportional to 9,222.28, 12,726.80 and 5,244.72

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Solution

The fourth proportional to 9,222.28, 12,726.80 and 5,244.72 is: 7,237.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,222.28 : 12,726.80 = 5,244.72 : x
  2. Step 2: Convert to fraction form
    9,222.28/12,726.80 = 5,244.72/x
  3. Step 3: Cross multiply
    9,222.28x = 12,726.80 × 5,244.72
  4. Step 4: Simplify right side
    9,222.28x = 66,748,502.50
  5. Step 5: Solve for x
    x = 66,748,502.50/9,222.28
  6. Step 6: Final answer
    x = 7,237.74

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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.