Home / 8,726.08-13,081.02-2,881.40

Finding the Fourth Proportional to 8,726.08, 13,081.02 and 2,881.40

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Solution

The fourth proportional to 8,726.08, 13,081.02 and 2,881.40 is: 4,319.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,726.08 : 13,081.02 = 2,881.40 : x
  2. Step 2: Convert to fraction form
    8,726.08/13,081.02 = 2,881.40/x
  3. Step 3: Cross multiply
    8,726.08x = 13,081.02 × 2,881.40
  4. Step 4: Simplify right side
    8,726.08x = 37,691,651.03
  5. Step 5: Solve for x
    x = 37,691,651.03/8,726.08
  6. Step 6: Final answer
    x = 4,319.43

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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.