Home / 5,519.04-8,280.10-2,231.36

Finding the Fourth Proportional to 5,519.04, 8,280.10 and 2,231.36

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Solution

The fourth proportional to 5,519.04, 8,280.10 and 2,231.36 is: 3,347.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.04 : 8,280.10 = 2,231.36 : x
  2. Step 2: Convert to fraction form
    5,519.04/8,280.10 = 2,231.36/x
  3. Step 3: Cross multiply
    5,519.04x = 8,280.10 × 2,231.36
  4. Step 4: Simplify right side
    5,519.04x = 18,475,883.94
  5. Step 5: Solve for x
    x = 18,475,883.94/5,519.04
  6. Step 6: Final answer
    x = 3,347.66

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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.