Home / 7,110.06-10,650.51-5,715.86

Finding the Fourth Proportional to 7,110.06, 10,650.51 and 5,715.86

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Solution

The fourth proportional to 7,110.06, 10,650.51 and 5,715.86 is: 8,562.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,110.06 : 10,650.51 = 5,715.86 : x
  2. Step 2: Convert to fraction form
    7,110.06/10,650.51 = 5,715.86/x
  3. Step 3: Cross multiply
    7,110.06x = 10,650.51 × 5,715.86
  4. Step 4: Simplify right side
    7,110.06x = 60,876,770.84
  5. Step 5: Solve for x
    x = 60,876,770.84/7,110.06
  6. Step 6: Final answer
    x = 8,562.06

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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.