Home / 7,359.48-11,041.20-2,979.90

Finding the Fourth Proportional to 7,359.48, 11,041.20 and 2,979.90

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Solution

The fourth proportional to 7,359.48, 11,041.20 and 2,979.90 is: 4,470.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,359.48 : 11,041.20 = 2,979.90 : x
  2. Step 2: Convert to fraction form
    7,359.48/11,041.20 = 2,979.90/x
  3. Step 3: Cross multiply
    7,359.48x = 11,041.20 × 2,979.90
  4. Step 4: Simplify right side
    7,359.48x = 32,901,671.88
  5. Step 5: Solve for x
    x = 32,901,671.88/7,359.48
  6. Step 6: Final answer
    x = 4,470.65

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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.