Home / 4,628.11-6,388.90-2,951.81

Finding the Fourth Proportional to 4,628.11, 6,388.90 and 2,951.81

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Solution

The fourth proportional to 4,628.11, 6,388.90 and 2,951.81 is: 4,074.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,628.11 : 6,388.90 = 2,951.81 : x
  2. Step 2: Convert to fraction form
    4,628.11/6,388.90 = 2,951.81/x
  3. Step 3: Cross multiply
    4,628.11x = 6,388.90 × 2,951.81
  4. Step 4: Simplify right side
    4,628.11x = 18,858,827.50
  5. Step 5: Solve for x
    x = 18,858,827.50/4,628.11
  6. Step 6: Final answer
    x = 4,074.85

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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.