Home / 9,021.20-13,531.80-5,723.60

Finding the Fourth Proportional to 9,021.20, 13,531.80 and 5,723.60

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Solution

The fourth proportional to 9,021.20, 13,531.80 and 5,723.60 is: 8,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,021.20 : 13,531.80 = 5,723.60 : x
  2. Step 2: Convert to fraction form
    9,021.20/13,531.80 = 5,723.60/x
  3. Step 3: Cross multiply
    9,021.20x = 13,531.80 × 5,723.60
  4. Step 4: Simplify right side
    9,021.20x = 77,450,610.48
  5. Step 5: Solve for x
    x = 77,450,610.48/9,021.20
  6. Step 6: Final answer
    x = 8,585.40

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Similar ratio
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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.