Home / 6,924.40-10,384.04-2,540.72

Finding the Fourth Proportional to 6,924.40, 10,384.04 and 2,540.72

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Solution

The fourth proportional to 6,924.40, 10,384.04 and 2,540.72 is: 3,810.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.40 : 10,384.04 = 2,540.72 : x
  2. Step 2: Convert to fraction form
    6,924.40/10,384.04 = 2,540.72/x
  3. Step 3: Cross multiply
    6,924.40x = 10,384.04 × 2,540.72
  4. Step 4: Simplify right side
    6,924.40x = 26,382,938.11
  5. Step 5: Solve for x
    x = 26,382,938.11/6,924.40
  6. Step 6: Final answer
    x = 3,810.14

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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.