Home / 9,170.80-13,759.16-3,621.06

Finding the Fourth Proportional to 9,170.80, 13,759.16 and 3,621.06

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Solution

The fourth proportional to 9,170.80, 13,759.16 and 3,621.06 is: 5,432.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,170.80 : 13,759.16 = 3,621.06 : x
  2. Step 2: Convert to fraction form
    9,170.80/13,759.16 = 3,621.06/x
  3. Step 3: Cross multiply
    9,170.80x = 13,759.16 × 3,621.06
  4. Step 4: Simplify right side
    9,170.80x = 49,822,725.80
  5. Step 5: Solve for x
    x = 49,822,725.80/9,170.80
  6. Step 6: Final answer
    x = 5,432.76

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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.