Home / 7,237.75-10,856.20-2,794.55

Finding the Fourth Proportional to 7,237.75, 10,856.20 and 2,794.55

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Solution

The fourth proportional to 7,237.75, 10,856.20 and 2,794.55 is: 4,191.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,237.75 : 10,856.20 = 2,794.55 : x
  2. Step 2: Convert to fraction form
    7,237.75/10,856.20 = 2,794.55/x
  3. Step 3: Cross multiply
    7,237.75x = 10,856.20 × 2,794.55
  4. Step 4: Simplify right side
    7,237.75x = 30,338,142.92
  5. Step 5: Solve for x
    x = 30,338,142.92/7,237.75
  6. Step 6: Final answer
    x = 4,191.66

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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.