Home / 4,778.52-6,595.62-2,891.22

Finding the Fourth Proportional to 4,778.52, 6,595.62 and 2,891.22

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Solution

The fourth proportional to 4,778.52, 6,595.62 and 2,891.22 is: 3,990.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,778.52 : 6,595.62 = 2,891.22 : x
  2. Step 2: Convert to fraction form
    4,778.52/6,595.62 = 2,891.22/x
  3. Step 3: Cross multiply
    4,778.52x = 6,595.62 × 2,891.22
  4. Step 4: Simplify right side
    4,778.52x = 19,069,388.46
  5. Step 5: Solve for x
    x = 19,069,388.46/4,778.52
  6. Step 6: Final answer
    x = 3,990.65

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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.