Home / 8,254.40-12,383.20-4,150.40

Finding the Fourth Proportional to 8,254.40, 12,383.20 and 4,150.40

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Solution

The fourth proportional to 8,254.40, 12,383.20 and 4,150.40 is: 6,226.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,254.40 : 12,383.20 = 4,150.40 : x
  2. Step 2: Convert to fraction form
    8,254.40/12,383.20 = 4,150.40/x
  3. Step 3: Cross multiply
    8,254.40x = 12,383.20 × 4,150.40
  4. Step 4: Simplify right side
    8,254.40x = 51,395,233.28
  5. Step 5: Solve for x
    x = 51,395,233.28/8,254.40
  6. Step 6: Final answer
    x = 6,226.40

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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.