Home / 5,488.71-8,233.85-1,790.02

Finding the Fourth Proportional to 5,488.71, 8,233.85 and 1,790.02

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Solution

The fourth proportional to 5,488.71, 8,233.85 and 1,790.02 is: 2,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,488.71 : 8,233.85 = 1,790.02 : x
  2. Step 2: Convert to fraction form
    5,488.71/8,233.85 = 1,790.02/x
  3. Step 3: Cross multiply
    5,488.71x = 8,233.85 × 1,790.02
  4. Step 4: Simplify right side
    5,488.71x = 14,738,756.18
  5. Step 5: Solve for x
    x = 14,738,756.18/5,488.71
  6. Step 6: Final answer
    x = 2,685.29

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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.