Home / 7,786.82-10,752.90-4,997.18

Finding the Fourth Proportional to 7,786.82, 10,752.90 and 4,997.18

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Solution

The fourth proportional to 7,786.82, 10,752.90 and 4,997.18 is: 6,900.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,786.82 : 10,752.90 = 4,997.18 : x
  2. Step 2: Convert to fraction form
    7,786.82/10,752.90 = 4,997.18/x
  3. Step 3: Cross multiply
    7,786.82x = 10,752.90 × 4,997.18
  4. Step 4: Simplify right side
    7,786.82x = 53,734,176.82
  5. Step 5: Solve for x
    x = 53,734,176.82/7,786.82
  6. Step 6: Final answer
    x = 6,900.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.