Home / 4,990.11-6,887.78-3,498.39

Finding the Fourth Proportional to 4,990.11, 6,887.78 and 3,498.39

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Solution

The fourth proportional to 4,990.11, 6,887.78 and 3,498.39 is: 4,828.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,990.11 : 6,887.78 = 3,498.39 : x
  2. Step 2: Convert to fraction form
    4,990.11/6,887.78 = 3,498.39/x
  3. Step 3: Cross multiply
    4,990.11x = 6,887.78 × 3,498.39
  4. Step 4: Simplify right side
    4,990.11x = 24,096,155.98
  5. Step 5: Solve for x
    x = 24,096,155.98/4,990.11
  6. Step 6: Final answer
    x = 4,828.79

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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.