Home / 6,430.95-9,650.26-2,872.79

Finding the Fourth Proportional to 6,430.95, 9,650.26 and 2,872.79

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Solution

The fourth proportional to 6,430.95, 9,650.26 and 2,872.79 is: 4,310.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,430.95 : 9,650.26 = 2,872.79 : x
  2. Step 2: Convert to fraction form
    6,430.95/9,650.26 = 2,872.79/x
  3. Step 3: Cross multiply
    6,430.95x = 9,650.26 × 2,872.79
  4. Step 4: Simplify right side
    6,430.95x = 27,723,170.43
  5. Step 5: Solve for x
    x = 27,723,170.43/6,430.95
  6. Step 6: Final answer
    x = 4,310.90

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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.