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Finding the Fourth Proportional to 4,487.78, 6,192.09 and 2,719.01

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Solution

The fourth proportional to 4,487.78, 6,192.09 and 2,719.01 is: 3,751.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,487.78 : 6,192.09 = 2,719.01 : x
  2. Step 2: Convert to fraction form
    4,487.78/6,192.09 = 2,719.01/x
  3. Step 3: Cross multiply
    4,487.78x = 6,192.09 × 2,719.01
  4. Step 4: Simplify right side
    4,487.78x = 16,836,323.67
  5. Step 5: Solve for x
    x = 16,836,323.67/4,487.78
  6. Step 6: Final answer
    x = 3,751.60

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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.