Home / 8,271.74-12,408.12-2,726.90

Finding the Fourth Proportional to 8,271.74, 12,408.12 and 2,726.90

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Solution

The fourth proportional to 8,271.74, 12,408.12 and 2,726.90 is: 4,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,271.74 : 12,408.12 = 2,726.90 : x
  2. Step 2: Convert to fraction form
    8,271.74/12,408.12 = 2,726.90/x
  3. Step 3: Cross multiply
    8,271.74x = 12,408.12 × 2,726.90
  4. Step 4: Simplify right side
    8,271.74x = 33,835,702.43
  5. Step 5: Solve for x
    x = 33,835,702.43/8,271.74
  6. Step 6: Final answer
    x = 4,090.52

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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.