Home / 7,924.78-11,887.17-2,730.25

Finding the Fourth Proportional to 7,924.78, 11,887.17 and 2,730.25

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Solution

The fourth proportional to 7,924.78, 11,887.17 and 2,730.25 is: 4,095.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,924.78 : 11,887.17 = 2,730.25 : x
  2. Step 2: Convert to fraction form
    7,924.78/11,887.17 = 2,730.25/x
  3. Step 3: Cross multiply
    7,924.78x = 11,887.17 × 2,730.25
  4. Step 4: Simplify right side
    7,924.78x = 32,454,945.89
  5. Step 5: Solve for x
    x = 32,454,945.89/7,924.78
  6. Step 6: Final answer
    x = 4,095.38

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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.