Home / 8,251.98-12,378.11-2,705.91

Finding the Fourth Proportional to 8,251.98, 12,378.11 and 2,705.91

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Solution

The fourth proportional to 8,251.98, 12,378.11 and 2,705.91 is: 4,058.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,251.98 : 12,378.11 = 2,705.91 : x
  2. Step 2: Convert to fraction form
    8,251.98/12,378.11 = 2,705.91/x
  3. Step 3: Cross multiply
    8,251.98x = 12,378.11 × 2,705.91
  4. Step 4: Simplify right side
    8,251.98x = 33,494,038.10
  5. Step 5: Solve for x
    x = 33,494,038.10/8,251.98
  6. Step 6: Final answer
    x = 4,058.91

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1.5x scale

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.