Home / 7,260.28-10,890.92-2,877.73

Finding the Fourth Proportional to 7,260.28, 10,890.92 and 2,877.73

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Solution

The fourth proportional to 7,260.28, 10,890.92 and 2,877.73 is: 4,316.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,260.28 : 10,890.92 = 2,877.73 : x
  2. Step 2: Convert to fraction form
    7,260.28/10,890.92 = 2,877.73/x
  3. Step 3: Cross multiply
    7,260.28x = 10,890.92 × 2,877.73
  4. Step 4: Simplify right side
    7,260.28x = 31,341,127.21
  5. Step 5: Solve for x
    x = 31,341,127.21/7,260.28
  6. Step 6: Final answer
    x = 4,316.79

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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.