Home / 6,480.23-9,720.50-2,320.53

Finding the Fourth Proportional to 6,480.23, 9,720.50 and 2,320.53

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Solution

The fourth proportional to 6,480.23, 9,720.50 and 2,320.53 is: 3,480.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,480.23 : 9,720.50 = 2,320.53 : x
  2. Step 2: Convert to fraction form
    6,480.23/9,720.50 = 2,320.53/x
  3. Step 3: Cross multiply
    6,480.23x = 9,720.50 × 2,320.53
  4. Step 4: Simplify right side
    6,480.23x = 22,556,711.87
  5. Step 5: Solve for x
    x = 22,556,711.87/6,480.23
  6. Step 6: Final answer
    x = 3,480.85

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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.