Home / 9,221.64-12,726.94-5,243.35

Finding the Fourth Proportional to 9,221.64, 12,726.94 and 5,243.35

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Solution

The fourth proportional to 9,221.64, 12,726.94 and 5,243.35 is: 7,236.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,221.64 : 12,726.94 = 5,243.35 : x
  2. Step 2: Convert to fraction form
    9,221.64/12,726.94 = 5,243.35/x
  3. Step 3: Cross multiply
    9,221.64x = 12,726.94 × 5,243.35
  4. Step 4: Simplify right side
    9,221.64x = 66,731,820.51
  5. Step 5: Solve for x
    x = 66,731,820.51/9,221.64
  6. Step 6: Final answer
    x = 7,236.44

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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.