Home / 5,920.79-8,170.55-3,268.18

Finding the Fourth Proportional to 5,920.79, 8,170.55 and 3,268.18

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Solution

The fourth proportional to 5,920.79, 8,170.55 and 3,268.18 is: 4,510.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,920.79 : 8,170.55 = 3,268.18 : x
  2. Step 2: Convert to fraction form
    5,920.79/8,170.55 = 3,268.18/x
  3. Step 3: Cross multiply
    5,920.79x = 8,170.55 × 3,268.18
  4. Step 4: Simplify right side
    5,920.79x = 26,702,770.91
  5. Step 5: Solve for x
    x = 26,702,770.91/5,920.79
  6. Step 6: Final answer
    x = 4,510.00

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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.