Home / 4,938.11-6,815.34-2,813.13

Finding the Fourth Proportional to 4,938.11, 6,815.34 and 2,813.13

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Solution

The fourth proportional to 4,938.11, 6,815.34 and 2,813.13 is: 3,882.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.11 : 6,815.34 = 2,813.13 : x
  2. Step 2: Convert to fraction form
    4,938.11/6,815.34 = 2,813.13/x
  3. Step 3: Cross multiply
    4,938.11x = 6,815.34 × 2,813.13
  4. Step 4: Simplify right side
    4,938.11x = 19,172,437.41
  5. Step 5: Solve for x
    x = 19,172,437.41/4,938.11
  6. Step 6: Final answer
    x = 3,882.54

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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.