Home / 7,747.32-11,620.98-2,816.04

Finding the Fourth Proportional to 7,747.32, 11,620.98 and 2,816.04

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Solution

The fourth proportional to 7,747.32, 11,620.98 and 2,816.04 is: 4,224.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,747.32 : 11,620.98 = 2,816.04 : x
  2. Step 2: Convert to fraction form
    7,747.32/11,620.98 = 2,816.04/x
  3. Step 3: Cross multiply
    7,747.32x = 11,620.98 × 2,816.04
  4. Step 4: Simplify right side
    7,747.32x = 32,725,144.52
  5. Step 5: Solve for x
    x = 32,725,144.52/7,747.32
  6. Step 6: Final answer
    x = 4,224.06

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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.