Home / 8,317.75-12,478.68-2,474.34

Finding the Fourth Proportional to 8,317.75, 12,478.68 and 2,474.34

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Solution

The fourth proportional to 8,317.75, 12,478.68 and 2,474.34 is: 3,712.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,317.75 : 12,478.68 = 2,474.34 : x
  2. Step 2: Convert to fraction form
    8,317.75/12,478.68 = 2,474.34/x
  3. Step 3: Cross multiply
    8,317.75x = 12,478.68 × 2,474.34
  4. Step 4: Simplify right side
    8,317.75x = 30,876,497.07
  5. Step 5: Solve for x
    x = 30,876,497.07/8,317.75
  6. Step 6: Final answer
    x = 3,712.12

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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.