Home / 4,645.94-6,409.23-2,876.90

Finding the Fourth Proportional to 4,645.94, 6,409.23 and 2,876.90

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Solution

The fourth proportional to 4,645.94, 6,409.23 and 2,876.90 is: 3,968.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,645.94 : 6,409.23 = 2,876.90 : x
  2. Step 2: Convert to fraction form
    4,645.94/6,409.23 = 2,876.90/x
  3. Step 3: Cross multiply
    4,645.94x = 6,409.23 × 2,876.90
  4. Step 4: Simplify right side
    4,645.94x = 18,438,713.79
  5. Step 5: Solve for x
    x = 18,438,713.79/4,645.94
  6. Step 6: Final answer
    x = 3,968.78

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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.