Home / 8,274.60-12,407.40-4,105.44

Finding the Fourth Proportional to 8,274.60, 12,407.40 and 4,105.44

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Solution

The fourth proportional to 8,274.60, 12,407.40 and 4,105.44 is: 6,155.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,274.60 : 12,407.40 = 4,105.44 : x
  2. Step 2: Convert to fraction form
    8,274.60/12,407.40 = 4,105.44/x
  3. Step 3: Cross multiply
    8,274.60x = 12,407.40 × 4,105.44
  4. Step 4: Simplify right side
    8,274.60x = 50,937,836.26
  5. Step 5: Solve for x
    x = 50,937,836.26/8,274.60
  6. Step 6: Final answer
    x = 6,155.93

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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.