Home / 5,519.97-8,278.71-1,624.68

Finding the Fourth Proportional to 5,519.97, 8,278.71 and 1,624.68

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Solution

The fourth proportional to 5,519.97, 8,278.71 and 1,624.68 is: 2,436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.97 : 8,278.71 = 1,624.68 : x
  2. Step 2: Convert to fraction form
    5,519.97/8,278.71 = 1,624.68/x
  3. Step 3: Cross multiply
    5,519.97x = 8,278.71 × 1,624.68
  4. Step 4: Simplify right side
    5,519.97x = 13,450,254.56
  5. Step 5: Solve for x
    x = 13,450,254.56/5,519.97
  6. Step 6: Final answer
    x = 2,436.65

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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.