Home / 7,648.13-11,474.42-2,718.15

Finding the Fourth Proportional to 7,648.13, 11,474.42 and 2,718.15

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Solution

The fourth proportional to 7,648.13, 11,474.42 and 2,718.15 is: 4,078.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,648.13 : 11,474.42 = 2,718.15 : x
  2. Step 2: Convert to fraction form
    7,648.13/11,474.42 = 2,718.15/x
  3. Step 3: Cross multiply
    7,648.13x = 11,474.42 × 2,718.15
  4. Step 4: Simplify right side
    7,648.13x = 31,189,181.13
  5. Step 5: Solve for x
    x = 31,189,181.13/7,648.13
  6. Step 6: Final answer
    x = 4,078.01

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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.