Home / 6,540.40-9,811.51-2,097.02

Finding the Fourth Proportional to 6,540.40, 9,811.51 and 2,097.02

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Solution

The fourth proportional to 6,540.40, 9,811.51 and 2,097.02 is: 3,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,540.40 : 9,811.51 = 2,097.02 : x
  2. Step 2: Convert to fraction form
    6,540.40/9,811.51 = 2,097.02/x
  3. Step 3: Cross multiply
    6,540.40x = 9,811.51 × 2,097.02
  4. Step 4: Simplify right side
    6,540.40x = 20,574,963.78
  5. Step 5: Solve for x
    x = 20,574,963.78/6,540.40
  6. Step 6: Final answer
    x = 3,145.83

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.