Home / 6,270.78-9,408.87-2,376.30

Finding the Fourth Proportional to 6,270.78, 9,408.87 and 2,376.30

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Solution

The fourth proportional to 6,270.78, 9,408.87 and 2,376.30 is: 3,565.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,270.78 : 9,408.87 = 2,376.30 : x
  2. Step 2: Convert to fraction form
    6,270.78/9,408.87 = 2,376.30/x
  3. Step 3: Cross multiply
    6,270.78x = 9,408.87 × 2,376.30
  4. Step 4: Simplify right side
    6,270.78x = 22,358,297.78
  5. Step 5: Solve for x
    x = 22,358,297.78/6,270.78
  6. Step 6: Final answer
    x = 3,565.47

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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.