Home / 5,920.68-8,170.64-3,268.20

Finding the Fourth Proportional to 5,920.68, 8,170.64 and 3,268.20

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Solution

The fourth proportional to 5,920.68, 8,170.64 and 3,268.20 is: 4,510.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.68 : 8,170.64 = 3,268.20 : x
  2. Step 2: Convert to fraction form
    5,920.68/8,170.64 = 3,268.20/x
  3. Step 3: Cross multiply
    5,920.68x = 8,170.64 × 3,268.20
  4. Step 4: Simplify right side
    5,920.68x = 26,703,285.65
  5. Step 5: Solve for x
    x = 26,703,285.65/5,920.68
  6. Step 6: Final answer
    x = 4,510.17

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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.