Home / 5,440.49-8,161.31-2,320.83

Finding the Fourth Proportional to 5,440.49, 8,161.31 and 2,320.83

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Solution

The fourth proportional to 5,440.49, 8,161.31 and 2,320.83 is: 3,481.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,440.49 : 8,161.31 = 2,320.83 : x
  2. Step 2: Convert to fraction form
    5,440.49/8,161.31 = 2,320.83/x
  3. Step 3: Cross multiply
    5,440.49x = 8,161.31 × 2,320.83
  4. Step 4: Simplify right side
    5,440.49x = 18,941,001.48
  5. Step 5: Solve for x
    x = 18,941,001.48/5,440.49
  6. Step 6: Final answer
    x = 3,481.49

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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.