Home / 7,988.22-11,986.20-3,244.26

Finding the Fourth Proportional to 7,988.22, 11,986.20 and 3,244.26

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Solution

The fourth proportional to 7,988.22, 11,986.20 and 3,244.26 is: 4,867.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.22 : 11,986.20 = 3,244.26 : x
  2. Step 2: Convert to fraction form
    7,988.22/11,986.20 = 3,244.26/x
  3. Step 3: Cross multiply
    7,988.22x = 11,986.20 × 3,244.26
  4. Step 4: Simplify right side
    7,988.22x = 38,886,349.21
  5. Step 5: Solve for x
    x = 38,886,349.21/7,988.22
  6. Step 6: Final answer
    x = 4,867.96

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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.