Home / 7,469.30-11,203.40-2,787.50

Finding the Fourth Proportional to 7,469.30, 11,203.40 and 2,787.50

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Solution

The fourth proportional to 7,469.30, 11,203.40 and 2,787.50 is: 4,181.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,469.30 : 11,203.40 = 2,787.50 : x
  2. Step 2: Convert to fraction form
    7,469.30/11,203.40 = 2,787.50/x
  3. Step 3: Cross multiply
    7,469.30x = 11,203.40 × 2,787.50
  4. Step 4: Simplify right side
    7,469.30x = 31,229,407.55
  5. Step 5: Solve for x
    x = 31,229,407.55/7,469.30
  6. Step 6: Final answer
    x = 4,181.04

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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.