Home / 5,123.43-7,684.77-2,002.86

Finding the Fourth Proportional to 5,123.43, 7,684.77 and 2,002.86

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Solution

The fourth proportional to 5,123.43, 7,684.77 and 2,002.86 is: 3,004.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,123.43 : 7,684.77 = 2,002.86 : x
  2. Step 2: Convert to fraction form
    5,123.43/7,684.77 = 2,002.86/x
  3. Step 3: Cross multiply
    5,123.43x = 7,684.77 × 2,002.86
  4. Step 4: Simplify right side
    5,123.43x = 15,391,518.44
  5. Step 5: Solve for x
    x = 15,391,518.44/5,123.43
  6. Step 6: Final answer
    x = 3,004.14

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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.