Home / 6,816.78-9,408.56-4,297.14

Finding the Fourth Proportional to 6,816.78, 9,408.56 and 4,297.14

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Solution

The fourth proportional to 6,816.78, 9,408.56 and 4,297.14 is: 5,930.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.78 : 9,408.56 = 4,297.14 : x
  2. Step 2: Convert to fraction form
    6,816.78/9,408.56 = 4,297.14/x
  3. Step 3: Cross multiply
    6,816.78x = 9,408.56 × 4,297.14
  4. Step 4: Simplify right side
    6,816.78x = 40,429,878.03
  5. Step 5: Solve for x
    x = 40,429,878.03/6,816.78
  6. Step 6: Final answer
    x = 5,930.93

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1.5x scale

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.