Home / 6,124.92-8,447.40-3,766.20

Finding the Fourth Proportional to 6,124.92, 8,447.40 and 3,766.20

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Solution

The fourth proportional to 6,124.92, 8,447.40 and 3,766.20 is: 5,194.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.92 : 8,447.40 = 3,766.20 : x
  2. Step 2: Convert to fraction form
    6,124.92/8,447.40 = 3,766.20/x
  3. Step 3: Cross multiply
    6,124.92x = 8,447.40 × 3,766.20
  4. Step 4: Simplify right side
    6,124.92x = 31,814,597.88
  5. Step 5: Solve for x
    x = 31,814,597.88/6,124.92
  6. Step 6: Final answer
    x = 5,194.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.