Home / 5,780.64-7,976.08-3,297.44

Finding the Fourth Proportional to 5,780.64, 7,976.08 and 3,297.44

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Solution

The fourth proportional to 5,780.64, 7,976.08 and 3,297.44 is: 4,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,780.64 : 7,976.08 = 3,297.44 : x
  2. Step 2: Convert to fraction form
    5,780.64/7,976.08 = 3,297.44/x
  3. Step 3: Cross multiply
    5,780.64x = 7,976.08 × 3,297.44
  4. Step 4: Simplify right side
    5,780.64x = 26,300,645.24
  5. Step 5: Solve for x
    x = 26,300,645.24/5,780.64
  6. Step 6: Final answer
    x = 4,549.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.