Home / 4,938.39-6,815.10-2,700.36

Finding the Fourth Proportional to 4,938.39, 6,815.10 and 2,700.36

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Solution

The fourth proportional to 4,938.39, 6,815.10 and 2,700.36 is: 3,726.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.39 : 6,815.10 = 2,700.36 : x
  2. Step 2: Convert to fraction form
    4,938.39/6,815.10 = 2,700.36/x
  3. Step 3: Cross multiply
    4,938.39x = 6,815.10 × 2,700.36
  4. Step 4: Simplify right side
    4,938.39x = 18,403,223.44
  5. Step 5: Solve for x
    x = 18,403,223.44/4,938.39
  6. Step 6: Final answer
    x = 3,726.56

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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.