Home / 9,220.42-12,726.39-5,243.68

Finding the Fourth Proportional to 9,220.42, 12,726.39 and 5,243.68

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Solution

The fourth proportional to 9,220.42, 12,726.39 and 5,243.68 is: 7,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,220.42 : 12,726.39 = 5,243.68 : x
  2. Step 2: Convert to fraction form
    9,220.42/12,726.39 = 5,243.68/x
  3. Step 3: Cross multiply
    9,220.42x = 12,726.39 × 5,243.68
  4. Step 4: Simplify right side
    9,220.42x = 66,733,116.72
  5. Step 5: Solve for x
    x = 66,733,116.72/9,220.42
  6. Step 6: Final answer
    x = 7,237.54

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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.