Home / 5,530.15-7,631.34-3,012.10

Finding the Fourth Proportional to 5,530.15, 7,631.34 and 3,012.10

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Solution

The fourth proportional to 5,530.15, 7,631.34 and 3,012.10 is: 4,156.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,530.15 : 7,631.34 = 3,012.10 : x
  2. Step 2: Convert to fraction form
    5,530.15/7,631.34 = 3,012.10/x
  3. Step 3: Cross multiply
    5,530.15x = 7,631.34 × 3,012.10
  4. Step 4: Simplify right side
    5,530.15x = 22,986,348.04
  5. Step 5: Solve for x
    x = 22,986,348.04/5,530.15
  6. Step 6: Final answer
    x = 4,156.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.