Home / 5,299.54-7,949.85-1,403.95

Finding the Fourth Proportional to 5,299.54, 7,949.85 and 1,403.95

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Solution

The fourth proportional to 5,299.54, 7,949.85 and 1,403.95 is: 2,106.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,299.54 : 7,949.85 = 1,403.95 : x
  2. Step 2: Convert to fraction form
    5,299.54/7,949.85 = 1,403.95/x
  3. Step 3: Cross multiply
    5,299.54x = 7,949.85 × 1,403.95
  4. Step 4: Simplify right side
    5,299.54x = 11,161,191.91
  5. Step 5: Solve for x
    x = 11,161,191.91/5,299.54
  6. Step 6: Final answer
    x = 2,106.07

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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.