Home / 5,253.83-7,880.90-2,481.81

Finding the Fourth Proportional to 5,253.83, 7,880.90 and 2,481.81

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Solution

The fourth proportional to 5,253.83, 7,880.90 and 2,481.81 is: 3,722.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,253.83 : 7,880.90 = 2,481.81 : x
  2. Step 2: Convert to fraction form
    5,253.83/7,880.90 = 2,481.81/x
  3. Step 3: Cross multiply
    5,253.83x = 7,880.90 × 2,481.81
  4. Step 4: Simplify right side
    5,253.83x = 19,558,854.47
  5. Step 5: Solve for x
    x = 19,558,854.47/5,253.83
  6. Step 6: Final answer
    x = 3,722.78

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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.