Home / 6,430.26-8,874.52-3,777.90

Finding the Fourth Proportional to 6,430.26, 8,874.52 and 3,777.90

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Solution

The fourth proportional to 6,430.26, 8,874.52 and 3,777.90 is: 5,213.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.26 : 8,874.52 = 3,777.90 : x
  2. Step 2: Convert to fraction form
    6,430.26/8,874.52 = 3,777.90/x
  3. Step 3: Cross multiply
    6,430.26x = 8,874.52 × 3,777.90
  4. Step 4: Simplify right side
    6,430.26x = 33,527,049.11
  5. Step 5: Solve for x
    x = 33,527,049.11/6,430.26
  6. Step 6: Final answer
    x = 5,213.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.