Home / 9,786.60-13,505.42-5,537.62

Finding the Fourth Proportional to 9,786.60, 13,505.42 and 5,537.62

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Solution

The fourth proportional to 9,786.60, 13,505.42 and 5,537.62 is: 7,641.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.60 : 13,505.42 = 5,537.62 : x
  2. Step 2: Convert to fraction form
    9,786.60/13,505.42 = 5,537.62/x
  3. Step 3: Cross multiply
    9,786.60x = 13,505.42 × 5,537.62
  4. Step 4: Simplify right side
    9,786.60x = 74,787,883.90
  5. Step 5: Solve for x
    x = 74,787,883.90/9,786.60
  6. Step 6: Final answer
    x = 7,641.87

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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.