Home / 4,561.36-6,840.72-1,787.44

Finding the Fourth Proportional to 4,561.36, 6,840.72 and 1,787.44

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Solution

The fourth proportional to 4,561.36, 6,840.72 and 1,787.44 is: 2,680.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,561.36 : 6,840.72 = 1,787.44 : x
  2. Step 2: Convert to fraction form
    4,561.36/6,840.72 = 1,787.44/x
  3. Step 3: Cross multiply
    4,561.36x = 6,840.72 × 1,787.44
  4. Step 4: Simplify right side
    4,561.36x = 12,227,376.56
  5. Step 5: Solve for x
    x = 12,227,376.56/4,561.36
  6. Step 6: Final answer
    x = 2,680.64

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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.