Home / 7,717.98-11,570.49-5,245.86

Finding the Fourth Proportional to 7,717.98, 11,570.49 and 5,245.86

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Solution

The fourth proportional to 7,717.98, 11,570.49 and 5,245.86 is: 7,864.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,717.98 : 11,570.49 = 5,245.86 : x
  2. Step 2: Convert to fraction form
    7,717.98/11,570.49 = 5,245.86/x
  3. Step 3: Cross multiply
    7,717.98x = 11,570.49 × 5,245.86
  4. Step 4: Simplify right side
    7,717.98x = 60,697,170.67
  5. Step 5: Solve for x
    x = 60,697,170.67/7,717.98
  6. Step 6: Final answer
    x = 7,864.39

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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.