Home / 7,924.89-11,887.32-2,378.22

Finding the Fourth Proportional to 7,924.89, 11,887.32 and 2,378.22

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Solution

The fourth proportional to 7,924.89, 11,887.32 and 2,378.22 is: 3,567.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.89 : 11,887.32 = 2,378.22 : x
  2. Step 2: Convert to fraction form
    7,924.89/11,887.32 = 2,378.22/x
  3. Step 3: Cross multiply
    7,924.89x = 11,887.32 × 2,378.22
  4. Step 4: Simplify right side
    7,924.89x = 28,270,691.89
  5. Step 5: Solve for x
    x = 28,270,691.89/7,924.89
  6. Step 6: Final answer
    x = 3,567.33

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Double scale
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Similar ratio
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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.