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Finding the Fourth Proportional to 8,805.41, 12,149.92 and 5,026.85

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Solution

The fourth proportional to 8,805.41, 12,149.92 and 5,026.85 is: 6,936.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,805.41 : 12,149.92 = 5,026.85 : x
  2. Step 2: Convert to fraction form
    8,805.41/12,149.92 = 5,026.85/x
  3. Step 3: Cross multiply
    8,805.41x = 12,149.92 × 5,026.85
  4. Step 4: Simplify right side
    8,805.41x = 61,075,825.35
  5. Step 5: Solve for x
    x = 61,075,825.35/8,805.41
  6. Step 6: Final answer
    x = 6,936.17

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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.