Home / 7,700.82-11,552.44-3,319.53

Finding the Fourth Proportional to 7,700.82, 11,552.44 and 3,319.53

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Solution

The fourth proportional to 7,700.82, 11,552.44 and 3,319.53 is: 4,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,700.82 : 11,552.44 = 3,319.53 : x
  2. Step 2: Convert to fraction form
    7,700.82/11,552.44 = 3,319.53/x
  3. Step 3: Cross multiply
    7,700.82x = 11,552.44 × 3,319.53
  4. Step 4: Simplify right side
    7,700.82x = 38,348,671.15
  5. Step 5: Solve for x
    x = 38,348,671.15/7,700.82
  6. Step 6: Final answer
    x = 4,979.82

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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.