Home / 4,947.18-6,827.85-2,850.90

Finding the Fourth Proportional to 4,947.18, 6,827.85 and 2,850.90

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Solution

The fourth proportional to 4,947.18, 6,827.85 and 2,850.90 is: 3,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,947.18 : 6,827.85 = 2,850.90 : x
  2. Step 2: Convert to fraction form
    4,947.18/6,827.85 = 2,850.90/x
  3. Step 3: Cross multiply
    4,947.18x = 6,827.85 × 2,850.90
  4. Step 4: Simplify right side
    4,947.18x = 19,465,517.57
  5. Step 5: Solve for x
    x = 19,465,517.57/4,947.18
  6. Step 6: Final answer
    x = 3,934.67

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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.