Home / 5,641.72-8,455.20-2,522.68

Finding the Fourth Proportional to 5,641.72, 8,455.20 and 2,522.68

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Solution

The fourth proportional to 5,641.72, 8,455.20 and 2,522.68 is: 3,780.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,641.72 : 8,455.20 = 2,522.68 : x
  2. Step 2: Convert to fraction form
    5,641.72/8,455.20 = 2,522.68/x
  3. Step 3: Cross multiply
    5,641.72x = 8,455.20 × 2,522.68
  4. Step 4: Simplify right side
    5,641.72x = 21,329,763.94
  5. Step 5: Solve for x
    x = 21,329,763.94/5,641.72
  6. Step 6: Final answer
    x = 3,780.72

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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.