Home / 4,638.23-6,960.79-2,885.78

Finding the Fourth Proportional to 4,638.23, 6,960.79 and 2,885.78

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Solution

The fourth proportional to 4,638.23, 6,960.79 and 2,885.78 is: 4,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,638.23 : 6,960.79 = 2,885.78 : x
  2. Step 2: Convert to fraction form
    4,638.23/6,960.79 = 2,885.78/x
  3. Step 3: Cross multiply
    4,638.23x = 6,960.79 × 2,885.78
  4. Step 4: Simplify right side
    4,638.23x = 20,087,259.33
  5. Step 5: Solve for x
    x = 20,087,259.33/4,638.23
  6. Step 6: Final answer
    x = 4,330.81

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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.