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Finding the Fourth Proportional to 8,726.48, 13,090.08 and 2,883.08

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Solution

The fourth proportional to 8,726.48, 13,090.08 and 2,883.08 is: 4,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.48 : 13,090.08 = 2,883.08 : x
  2. Step 2: Convert to fraction form
    8,726.48/13,090.08 = 2,883.08/x
  3. Step 3: Cross multiply
    8,726.48x = 13,090.08 × 2,883.08
  4. Step 4: Simplify right side
    8,726.48x = 37,739,747.85
  5. Step 5: Solve for x
    x = 37,739,747.85/8,726.48
  6. Step 6: Final answer
    x = 4,324.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.