Home / 4,912.29-6,778.95-2,674.18

Finding the Fourth Proportional to 4,912.29, 6,778.95 and 2,674.18

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Solution

The fourth proportional to 4,912.29, 6,778.95 and 2,674.18 is: 3,690.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.29 : 6,778.95 = 2,674.18 : x
  2. Step 2: Convert to fraction form
    4,912.29/6,778.95 = 2,674.18/x
  3. Step 3: Cross multiply
    4,912.29x = 6,778.95 × 2,674.18
  4. Step 4: Simplify right side
    4,912.29x = 18,128,121.16
  5. Step 5: Solve for x
    x = 18,128,121.16/4,912.29
  6. Step 6: Final answer
    x = 3,690.36

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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.