Home / 4,466.78-6,165.38-2,787.20

Finding the Fourth Proportional to 4,466.78, 6,165.38 and 2,787.20

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Solution

The fourth proportional to 4,466.78, 6,165.38 and 2,787.20 is: 3,847.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,466.78 : 6,165.38 = 2,787.20 : x
  2. Step 2: Convert to fraction form
    4,466.78/6,165.38 = 2,787.20/x
  3. Step 3: Cross multiply
    4,466.78x = 6,165.38 × 2,787.20
  4. Step 4: Simplify right side
    4,466.78x = 17,184,147.14
  5. Step 5: Solve for x
    x = 17,184,147.14/4,466.78
  6. Step 6: Final answer
    x = 3,847.10

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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.