Home / 4,988.68-6,879.13-3,727.75

Finding the Fourth Proportional to 4,988.68, 6,879.13 and 3,727.75

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Solution

The fourth proportional to 4,988.68, 6,879.13 and 3,727.75 is: 5,140.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,988.68 : 6,879.13 = 3,727.75 : x
  2. Step 2: Convert to fraction form
    4,988.68/6,879.13 = 3,727.75/x
  3. Step 3: Cross multiply
    4,988.68x = 6,879.13 × 3,727.75
  4. Step 4: Simplify right side
    4,988.68x = 25,643,676.86
  5. Step 5: Solve for x
    x = 25,643,676.86/4,988.68
  6. Step 6: Final answer
    x = 5,140.37

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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.