Home / 4,498.61-6,755.20-2,778.17

Finding the Fourth Proportional to 4,498.61, 6,755.20 and 2,778.17

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Solution

The fourth proportional to 4,498.61, 6,755.20 and 2,778.17 is: 4,171.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,498.61 : 6,755.20 = 2,778.17 : x
  2. Step 2: Convert to fraction form
    4,498.61/6,755.20 = 2,778.17/x
  3. Step 3: Cross multiply
    4,498.61x = 6,755.20 × 2,778.17
  4. Step 4: Simplify right side
    4,498.61x = 18,767,053.26
  5. Step 5: Solve for x
    x = 18,767,053.26/4,498.61
  6. Step 6: Final answer
    x = 4,171.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.