Home / 5,283.80-7,925.20-2,163.92

Finding the Fourth Proportional to 5,283.80, 7,925.20 and 2,163.92

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Solution

The fourth proportional to 5,283.80, 7,925.20 and 2,163.92 is: 3,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,283.80 : 7,925.20 = 2,163.92 : x
  2. Step 2: Convert to fraction form
    5,283.80/7,925.20 = 2,163.92/x
  3. Step 3: Cross multiply
    5,283.80x = 7,925.20 × 2,163.92
  4. Step 4: Simplify right side
    5,283.80x = 17,149,498.78
  5. Step 5: Solve for x
    x = 17,149,498.78/5,283.80
  6. Step 6: Final answer
    x = 3,245.68

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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.