Home / 7,299.87-10,951.33-3,140.93

Finding the Fourth Proportional to 7,299.87, 10,951.33 and 3,140.93

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Solution

The fourth proportional to 7,299.87, 10,951.33 and 3,140.93 is: 4,712.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,299.87 : 10,951.33 = 3,140.93 : x
  2. Step 2: Convert to fraction form
    7,299.87/10,951.33 = 3,140.93/x
  3. Step 3: Cross multiply
    7,299.87x = 10,951.33 × 3,140.93
  4. Step 4: Simplify right side
    7,299.87x = 34,397,315.92
  5. Step 5: Solve for x
    x = 34,397,315.92/7,299.87
  6. Step 6: Final answer
    x = 4,712.04

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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.