Home / 5,589.43-8,378.64-2,669.78

Finding the Fourth Proportional to 5,589.43, 8,378.64 and 2,669.78

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Solution

The fourth proportional to 5,589.43, 8,378.64 and 2,669.78 is: 4,002.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.43 : 8,378.64 = 2,669.78 : x
  2. Step 2: Convert to fraction form
    5,589.43/8,378.64 = 2,669.78/x
  3. Step 3: Cross multiply
    5,589.43x = 8,378.64 × 2,669.78
  4. Step 4: Simplify right side
    5,589.43x = 22,369,146.45
  5. Step 5: Solve for x
    x = 22,369,146.45/5,589.43
  6. Step 6: Final answer
    x = 4,002.05

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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.