Home / 7,747.68-11,621.52-2,555.04

Finding the Fourth Proportional to 7,747.68, 11,621.52 and 2,555.04

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Solution

The fourth proportional to 7,747.68, 11,621.52 and 2,555.04 is: 3,832.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.68 : 11,621.52 = 2,555.04 : x
  2. Step 2: Convert to fraction form
    7,747.68/11,621.52 = 2,555.04/x
  3. Step 3: Cross multiply
    7,747.68x = 11,621.52 × 2,555.04
  4. Step 4: Simplify right side
    7,747.68x = 29,693,448.46
  5. Step 5: Solve for x
    x = 29,693,448.46/7,747.68
  6. Step 6: Final answer
    x = 3,832.56

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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.