Home / 5,282.21-7,291.11-3,159.30

Finding the Fourth Proportional to 5,282.21, 7,291.11 and 3,159.30

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Solution

The fourth proportional to 5,282.21, 7,291.11 and 3,159.30 is: 4,360.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,282.21 : 7,291.11 = 3,159.30 : x
  2. Step 2: Convert to fraction form
    5,282.21/7,291.11 = 3,159.30/x
  3. Step 3: Cross multiply
    5,282.21x = 7,291.11 × 3,159.30
  4. Step 4: Simplify right side
    5,282.21x = 23,034,843.01
  5. Step 5: Solve for x
    x = 23,034,843.01/5,282.21
  6. Step 6: Final answer
    x = 4,360.83

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1.5x scale

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.