Home / 7,298.20-10,947.30-2,680.60

Finding the Fourth Proportional to 7,298.20, 10,947.30 and 2,680.60

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Solution

The fourth proportional to 7,298.20, 10,947.30 and 2,680.60 is: 4,020.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,298.20 : 10,947.30 = 2,680.60 : x
  2. Step 2: Convert to fraction form
    7,298.20/10,947.30 = 2,680.60/x
  3. Step 3: Cross multiply
    7,298.20x = 10,947.30 × 2,680.60
  4. Step 4: Simplify right side
    7,298.20x = 29,345,332.38
  5. Step 5: Solve for x
    x = 29,345,332.38/7,298.20
  6. Step 6: Final answer
    x = 4,020.90

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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.