Home / 7,906.18-10,915.66-5,074.62

Finding the Fourth Proportional to 7,906.18, 10,915.66 and 5,074.62

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Solution

The fourth proportional to 7,906.18, 10,915.66 and 5,074.62 is: 7,006.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,906.18 : 10,915.66 = 5,074.62 : x
  2. Step 2: Convert to fraction form
    7,906.18/10,915.66 = 5,074.62/x
  3. Step 3: Cross multiply
    7,906.18x = 10,915.66 × 5,074.62
  4. Step 4: Simplify right side
    7,906.18x = 55,392,826.55
  5. Step 5: Solve for x
    x = 55,392,826.55/7,906.18
  6. Step 6: Final answer
    x = 7,006.27

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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.