Home / 5,627.67-8,436.28-1,929.02

Finding the Fourth Proportional to 5,627.67, 8,436.28 and 1,929.02

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Solution

The fourth proportional to 5,627.67, 8,436.28 and 1,929.02 is: 2,891.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,627.67 : 8,436.28 = 1,929.02 : x
  2. Step 2: Convert to fraction form
    5,627.67/8,436.28 = 1,929.02/x
  3. Step 3: Cross multiply
    5,627.67x = 8,436.28 × 1,929.02
  4. Step 4: Simplify right side
    5,627.67x = 16,273,752.85
  5. Step 5: Solve for x
    x = 16,273,752.85/5,627.67
  6. Step 6: Final answer
    x = 2,891.74

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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.