Home / 9,085.56-13,621.14-3,538.68

Finding the Fourth Proportional to 9,085.56, 13,621.14 and 3,538.68

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Solution

The fourth proportional to 9,085.56, 13,621.14 and 3,538.68 is: 5,305.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,085.56 : 13,621.14 = 3,538.68 : x
  2. Step 2: Convert to fraction form
    9,085.56/13,621.14 = 3,538.68/x
  3. Step 3: Cross multiply
    9,085.56x = 13,621.14 × 3,538.68
  4. Step 4: Simplify right side
    9,085.56x = 48,200,855.70
  5. Step 5: Solve for x
    x = 48,200,855.70/9,085.56
  6. Step 6: Final answer
    x = 5,305.22

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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.