Home / 7,988.06-11,982.96-2,723.60

Finding the Fourth Proportional to 7,988.06, 11,982.96 and 2,723.60

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Solution

The fourth proportional to 7,988.06, 11,982.96 and 2,723.60 is: 4,085.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,988.06 : 11,982.96 = 2,723.60 : x
  2. Step 2: Convert to fraction form
    7,988.06/11,982.96 = 2,723.60/x
  3. Step 3: Cross multiply
    7,988.06x = 11,982.96 × 2,723.60
  4. Step 4: Simplify right side
    7,988.06x = 32,636,789.86
  5. Step 5: Solve for x
    x = 32,636,789.86/7,988.06
  6. Step 6: Final answer
    x = 4,085.70

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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.