Home / 8,306.80-12,461.65-4,146.04

Finding the Fourth Proportional to 8,306.80, 12,461.65 and 4,146.04

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Solution

The fourth proportional to 8,306.80, 12,461.65 and 4,146.04 is: 6,219.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,306.80 : 12,461.65 = 4,146.04 : x
  2. Step 2: Convert to fraction form
    8,306.80/12,461.65 = 4,146.04/x
  3. Step 3: Cross multiply
    8,306.80x = 12,461.65 × 4,146.04
  4. Step 4: Simplify right side
    8,306.80x = 51,666,434.48
  5. Step 5: Solve for x
    x = 51,666,434.48/8,306.80
  6. Step 6: Final answer
    x = 6,219.77

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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.