Home / 4,630.74-6,391.61-2,861.33

Finding the Fourth Proportional to 4,630.74, 6,391.61 and 2,861.33

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Solution

The fourth proportional to 4,630.74, 6,391.61 and 2,861.33 is: 3,949.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,630.74 : 6,391.61 = 2,861.33 : x
  2. Step 2: Convert to fraction form
    4,630.74/6,391.61 = 2,861.33/x
  3. Step 3: Cross multiply
    4,630.74x = 6,391.61 × 2,861.33
  4. Step 4: Simplify right side
    4,630.74x = 18,288,459.18
  5. Step 5: Solve for x
    x = 18,288,459.18/4,630.74
  6. Step 6: Final answer
    x = 3,949.36

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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.