Home / 6,927.20-10,389.60-2,542.40

Finding the Fourth Proportional to 6,927.20, 10,389.60 and 2,542.40

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Solution

The fourth proportional to 6,927.20, 10,389.60 and 2,542.40 is: 3,813.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,927.20 : 10,389.60 = 2,542.40 : x
  2. Step 2: Convert to fraction form
    6,927.20/10,389.60 = 2,542.40/x
  3. Step 3: Cross multiply
    6,927.20x = 10,389.60 × 2,542.40
  4. Step 4: Simplify right side
    6,927.20x = 26,414,519.04
  5. Step 5: Solve for x
    x = 26,414,519.04/6,927.20
  6. Step 6: Final answer
    x = 3,813.16

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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.