Home / 4,253.90-6,380.86-1,332.24

Finding the Fourth Proportional to 4,253.90, 6,380.86 and 1,332.24

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Solution

The fourth proportional to 4,253.90, 6,380.86 and 1,332.24 is: 1,998.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.90 : 6,380.86 = 1,332.24 : x
  2. Step 2: Convert to fraction form
    4,253.90/6,380.86 = 1,332.24/x
  3. Step 3: Cross multiply
    4,253.90x = 6,380.86 × 1,332.24
  4. Step 4: Simplify right side
    4,253.90x = 8,500,836.93
  5. Step 5: Solve for x
    x = 8,500,836.93/4,253.90
  6. Step 6: Final answer
    x = 1,998.36

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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.