Home / 9,182.28-13,775.04-3,991.80

Finding the Fourth Proportional to 9,182.28, 13,775.04 and 3,991.80

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Solution

The fourth proportional to 9,182.28, 13,775.04 and 3,991.80 is: 5,988.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,182.28 : 13,775.04 = 3,991.80 : x
  2. Step 2: Convert to fraction form
    9,182.28/13,775.04 = 3,991.80/x
  3. Step 3: Cross multiply
    9,182.28x = 13,775.04 × 3,991.80
  4. Step 4: Simplify right side
    9,182.28x = 54,987,204.67
  5. Step 5: Solve for x
    x = 54,987,204.67/9,182.28
  6. Step 6: Final answer
    x = 5,988.40

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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.