Home / 8,351.30-12,506.70-4,447.10

Finding the Fourth Proportional to 8,351.30, 12,506.70 and 4,447.10

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Solution

The fourth proportional to 8,351.30, 12,506.70 and 4,447.10 is: 6,659.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,351.30 : 12,506.70 = 4,447.10 : x
  2. Step 2: Convert to fraction form
    8,351.30/12,506.70 = 4,447.10/x
  3. Step 3: Cross multiply
    8,351.30x = 12,506.70 × 4,447.10
  4. Step 4: Simplify right side
    8,351.30x = 55,618,545.57
  5. Step 5: Solve for x
    x = 55,618,545.57/8,351.30
  6. Step 6: Final answer
    x = 6,659.87

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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.