Home / 7,611.92-11,418.48-2,417.79

Finding the Fourth Proportional to 7,611.92, 11,418.48 and 2,417.79

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Solution

The fourth proportional to 7,611.92, 11,418.48 and 2,417.79 is: 3,626.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,611.92 : 11,418.48 = 2,417.79 : x
  2. Step 2: Convert to fraction form
    7,611.92/11,418.48 = 2,417.79/x
  3. Step 3: Cross multiply
    7,611.92x = 11,418.48 × 2,417.79
  4. Step 4: Simplify right side
    7,611.92x = 27,607,486.76
  5. Step 5: Solve for x
    x = 27,607,486.76/7,611.92
  6. Step 6: Final answer
    x = 3,626.88

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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.