Home / 7,335.80-11,001.28-3,385.44

Finding the Fourth Proportional to 7,335.80, 11,001.28 and 3,385.44

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Solution

The fourth proportional to 7,335.80, 11,001.28 and 3,385.44 is: 5,077.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,335.80 : 11,001.28 = 3,385.44 : x
  2. Step 2: Convert to fraction form
    7,335.80/11,001.28 = 3,385.44/x
  3. Step 3: Cross multiply
    7,335.80x = 11,001.28 × 3,385.44
  4. Step 4: Simplify right side
    7,335.80x = 37,244,173.36
  5. Step 5: Solve for x
    x = 37,244,173.36/7,335.80
  6. Step 6: Final answer
    x = 5,077.04

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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.