Home / 7,486.78-11,229.56-2,922.83

Finding the Fourth Proportional to 7,486.78, 11,229.56 and 2,922.83

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Solution

The fourth proportional to 7,486.78, 11,229.56 and 2,922.83 is: 4,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,486.78 : 11,229.56 = 2,922.83 : x
  2. Step 2: Convert to fraction form
    7,486.78/11,229.56 = 2,922.83/x
  3. Step 3: Cross multiply
    7,486.78x = 11,229.56 × 2,922.83
  4. Step 4: Simplify right side
    7,486.78x = 32,822,108.31
  5. Step 5: Solve for x
    x = 32,822,108.31/7,486.78
  6. Step 6: Final answer
    x = 4,384.01

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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.