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Finding the Fourth Proportional to 6,521.56, 8,999.04 and 3,726.52

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Solution

The fourth proportional to 6,521.56, 8,999.04 and 3,726.52 is: 5,142.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,521.56 : 8,999.04 = 3,726.52 : x
  2. Step 2: Convert to fraction form
    6,521.56/8,999.04 = 3,726.52/x
  3. Step 3: Cross multiply
    6,521.56x = 8,999.04 × 3,726.52
  4. Step 4: Simplify right side
    6,521.56x = 33,535,102.54
  5. Step 5: Solve for x
    x = 33,535,102.54/6,521.56
  6. Step 6: Final answer
    x = 5,142.19

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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.