Home / 4,868.13-6,718.05-3,687.15

Finding the Fourth Proportional to 4,868.13, 6,718.05 and 3,687.15

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Solution

The fourth proportional to 4,868.13, 6,718.05 and 3,687.15 is: 5,088.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,868.13 : 6,718.05 = 3,687.15 : x
  2. Step 2: Convert to fraction form
    4,868.13/6,718.05 = 3,687.15/x
  3. Step 3: Cross multiply
    4,868.13x = 6,718.05 × 3,687.15
  4. Step 4: Simplify right side
    4,868.13x = 24,770,458.06
  5. Step 5: Solve for x
    x = 24,770,458.06/4,868.13
  6. Step 6: Final answer
    x = 5,088.29

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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.