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Finding the Fourth Proportional to 8,302.98, 12,454.80 and 3,306.30

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Solution

The fourth proportional to 8,302.98, 12,454.80 and 3,306.30 is: 4,959.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,302.98 : 12,454.80 = 3,306.30 : x
  2. Step 2: Convert to fraction form
    8,302.98/12,454.80 = 3,306.30/x
  3. Step 3: Cross multiply
    8,302.98x = 12,454.80 × 3,306.30
  4. Step 4: Simplify right side
    8,302.98x = 41,179,305.24
  5. Step 5: Solve for x
    x = 41,179,305.24/8,302.98
  6. Step 6: Final answer
    x = 4,959.58

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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.