Home / 4,778.94-6,593.34-2,891.10

Finding the Fourth Proportional to 4,778.94, 6,593.34 and 2,891.10

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Solution

The fourth proportional to 4,778.94, 6,593.34 and 2,891.10 is: 3,988.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.94 : 6,593.34 = 2,891.10 : x
  2. Step 2: Convert to fraction form
    4,778.94/6,593.34 = 2,891.10/x
  3. Step 3: Cross multiply
    4,778.94x = 6,593.34 × 2,891.10
  4. Step 4: Simplify right side
    4,778.94x = 19,062,005.27
  5. Step 5: Solve for x
    x = 19,062,005.27/4,778.94
  6. Step 6: Final answer
    x = 3,988.75

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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.