Home / 8,479.24-12,718.82-2,635.84

Finding the Fourth Proportional to 8,479.24, 12,718.82 and 2,635.84

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Solution

The fourth proportional to 8,479.24, 12,718.82 and 2,635.84 is: 3,953.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,479.24 : 12,718.82 = 2,635.84 : x
  2. Step 2: Convert to fraction form
    8,479.24/12,718.82 = 2,635.84/x
  3. Step 3: Cross multiply
    8,479.24x = 12,718.82 × 2,635.84
  4. Step 4: Simplify right side
    8,479.24x = 33,524,774.51
  5. Step 5: Solve for x
    x = 33,524,774.51/8,479.24
  6. Step 6: Final answer
    x = 3,953.75

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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.