Home / 4,813.30-6,636.18-3,947.76

Finding the Fourth Proportional to 4,813.30, 6,636.18 and 3,947.76

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Solution

The fourth proportional to 4,813.30, 6,636.18 and 3,947.76 is: 5,442.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.30 : 6,636.18 = 3,947.76 : x
  2. Step 2: Convert to fraction form
    4,813.30/6,636.18 = 3,947.76/x
  3. Step 3: Cross multiply
    4,813.30x = 6,636.18 × 3,947.76
  4. Step 4: Simplify right side
    4,813.30x = 26,198,045.96
  5. Step 5: Solve for x
    x = 26,198,045.96/4,813.30
  6. Step 6: Final answer
    x = 5,442.85

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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.