Home / 6,898.40-10,347.79-2,519.12

Finding the Fourth Proportional to 6,898.40, 10,347.79 and 2,519.12

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Solution

The fourth proportional to 6,898.40, 10,347.79 and 2,519.12 is: 3,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,898.40 : 10,347.79 = 2,519.12 : x
  2. Step 2: Convert to fraction form
    6,898.40/10,347.79 = 2,519.12/x
  3. Step 3: Cross multiply
    6,898.40x = 10,347.79 × 2,519.12
  4. Step 4: Simplify right side
    6,898.40x = 26,067,324.74
  5. Step 5: Solve for x
    x = 26,067,324.74/6,898.40
  6. Step 6: Final answer
    x = 3,778.75

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1.5x scale

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.