Home / 9,680.35-13,360-5,701.38

Finding the Fourth Proportional to 9,680.35, 13,360 and 5,701.38

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Solution

The fourth proportional to 9,680.35, 13,360 and 5,701.38 is: 7,868.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,680.35 : 13,360 = 5,701.38 : x
  2. Step 2: Convert to fraction form
    9,680.35/13,360 = 5,701.38/x
  3. Step 3: Cross multiply
    9,680.35x = 13,360 × 5,701.38
  4. Step 4: Simplify right side
    9,680.35x = 76,170,436.80
  5. Step 5: Solve for x
    x = 76,170,436.80/9,680.35
  6. Step 6: Final answer
    x = 7,868.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.