Home / 8,661.06-11,958.67-5,308.46

Finding the Fourth Proportional to 8,661.06, 11,958.67 and 5,308.46

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Solution

The fourth proportional to 8,661.06, 11,958.67 and 5,308.46 is: 7,329.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,661.06 : 11,958.67 = 5,308.46 : x
  2. Step 2: Convert to fraction form
    8,661.06/11,958.67 = 5,308.46/x
  3. Step 3: Cross multiply
    8,661.06x = 11,958.67 × 5,308.46
  4. Step 4: Simplify right side
    8,661.06x = 63,482,121.35
  5. Step 5: Solve for x
    x = 63,482,121.35/8,661.06
  6. Step 6: Final answer
    x = 7,329.60

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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.