Home / 7,251.20-10,876.80-2,633.60

Finding the Fourth Proportional to 7,251.20, 10,876.80 and 2,633.60

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Solution

The fourth proportional to 7,251.20, 10,876.80 and 2,633.60 is: 3,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.20 : 10,876.80 = 2,633.60 : x
  2. Step 2: Convert to fraction form
    7,251.20/10,876.80 = 2,633.60/x
  3. Step 3: Cross multiply
    7,251.20x = 10,876.80 × 2,633.60
  4. Step 4: Simplify right side
    7,251.20x = 28,645,140.48
  5. Step 5: Solve for x
    x = 28,645,140.48/7,251.20
  6. Step 6: Final answer
    x = 3,950.40

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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.