Home / 9,085.28-13,619.40-3,542.18

Finding the Fourth Proportional to 9,085.28, 13,619.40 and 3,542.18

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Solution

The fourth proportional to 9,085.28, 13,619.40 and 3,542.18 is: 5,309.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.28 : 13,619.40 = 3,542.18 : x
  2. Step 2: Convert to fraction form
    9,085.28/13,619.40 = 3,542.18/x
  3. Step 3: Cross multiply
    9,085.28x = 13,619.40 × 3,542.18
  4. Step 4: Simplify right side
    9,085.28x = 48,242,366.29
  5. Step 5: Solve for x
    x = 48,242,366.29/9,085.28
  6. Step 6: Final answer
    x = 5,309.95

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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.