Home / 9,221.29-12,726.45-5,243.00

Finding the Fourth Proportional to 9,221.29, 12,726.45 and 5,243.00

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Solution

The fourth proportional to 9,221.29, 12,726.45 and 5,243.00 is: 7,235.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.29 : 12,726.45 = 5,243.00 : x
  2. Step 2: Convert to fraction form
    9,221.29/12,726.45 = 5,243.00/x
  3. Step 3: Cross multiply
    9,221.29x = 12,726.45 × 5,243.00
  4. Step 4: Simplify right side
    9,221.29x = 66,724,713.72
  5. Step 5: Solve for x
    x = 66,724,713.72/9,221.29
  6. Step 6: Final answer
    x = 7,235.94

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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.