Home / 4,938.70-6,815.88-2,700.92

Finding the Fourth Proportional to 4,938.70, 6,815.88 and 2,700.92

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Solution

The fourth proportional to 4,938.70, 6,815.88 and 2,700.92 is: 3,727.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.70 : 6,815.88 = 2,700.92 : x
  2. Step 2: Convert to fraction form
    4,938.70/6,815.88 = 2,700.92/x
  3. Step 3: Cross multiply
    4,938.70x = 6,815.88 × 2,700.92
  4. Step 4: Simplify right side
    4,938.70x = 18,409,146.61
  5. Step 5: Solve for x
    x = 18,409,146.61/4,938.70
  6. Step 6: Final answer
    x = 3,727.53

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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.