Home / 6,480.72-9,719.62-2,320.70

Finding the Fourth Proportional to 6,480.72, 9,719.62 and 2,320.70

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Solution

The fourth proportional to 6,480.72, 9,719.62 and 2,320.70 is: 3,480.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.72 : 9,719.62 = 2,320.70 : x
  2. Step 2: Convert to fraction form
    6,480.72/9,719.62 = 2,320.70/x
  3. Step 3: Cross multiply
    6,480.72x = 9,719.62 × 2,320.70
  4. Step 4: Simplify right side
    6,480.72x = 22,556,322.13
  5. Step 5: Solve for x
    x = 22,556,322.13/6,480.72
  6. Step 6: Final answer
    x = 3,480.53

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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.