Home / 7,160.85-10,738.70-2,479.60

Finding the Fourth Proportional to 7,160.85, 10,738.70 and 2,479.60

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Solution

The fourth proportional to 7,160.85, 10,738.70 and 2,479.60 is: 3,718.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,160.85 : 10,738.70 = 2,479.60 : x
  2. Step 2: Convert to fraction form
    7,160.85/10,738.70 = 2,479.60/x
  3. Step 3: Cross multiply
    7,160.85x = 10,738.70 × 2,479.60
  4. Step 4: Simplify right side
    7,160.85x = 26,627,674.59
  5. Step 5: Solve for x
    x = 26,627,674.59/7,160.85
  6. Step 6: Final answer
    x = 3,718.51

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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.