Home / 8,368.31-12,551.67-3,103.33

Finding the Fourth Proportional to 8,368.31, 12,551.67 and 3,103.33

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Solution

The fourth proportional to 8,368.31, 12,551.67 and 3,103.33 is: 4,654.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,368.31 : 12,551.67 = 3,103.33 : x
  2. Step 2: Convert to fraction form
    8,368.31/12,551.67 = 3,103.33/x
  3. Step 3: Cross multiply
    8,368.31x = 12,551.67 × 3,103.33
  4. Step 4: Simplify right side
    8,368.31x = 38,951,974.06
  5. Step 5: Solve for x
    x = 38,951,974.06/8,368.31
  6. Step 6: Final answer
    x = 4,654.70

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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.