Home / 7,516.68-11,278.86-5,481.48

Finding the Fourth Proportional to 7,516.68, 11,278.86 and 5,481.48

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Solution

The fourth proportional to 7,516.68, 11,278.86 and 5,481.48 is: 8,225.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,516.68 : 11,278.86 = 5,481.48 : x
  2. Step 2: Convert to fraction form
    7,516.68/11,278.86 = 5,481.48/x
  3. Step 3: Cross multiply
    7,516.68x = 11,278.86 × 5,481.48
  4. Step 4: Simplify right side
    7,516.68x = 61,824,845.51
  5. Step 5: Solve for x
    x = 61,824,845.51/7,516.68
  6. Step 6: Final answer
    x = 8,225.02

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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.