Home / 5,440.47-8,162.22-2,320.65

Finding the Fourth Proportional to 5,440.47, 8,162.22 and 2,320.65

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Solution

The fourth proportional to 5,440.47, 8,162.22 and 2,320.65 is: 3,481.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.47 : 8,162.22 = 2,320.65 : x
  2. Step 2: Convert to fraction form
    5,440.47/8,162.22 = 2,320.65/x
  3. Step 3: Cross multiply
    5,440.47x = 8,162.22 × 2,320.65
  4. Step 4: Simplify right side
    5,440.47x = 18,941,651.49
  5. Step 5: Solve for x
    x = 18,941,651.49/5,440.47
  6. Step 6: Final answer
    x = 3,481.62

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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.