Home / 7,765.20-10,716.24-4,362.81

Finding the Fourth Proportional to 7,765.20, 10,716.24 and 4,362.81

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Solution

The fourth proportional to 7,765.20, 10,716.24 and 4,362.81 is: 6,020.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.20 : 10,716.24 = 4,362.81 : x
  2. Step 2: Convert to fraction form
    7,765.20/10,716.24 = 4,362.81/x
  3. Step 3: Cross multiply
    7,765.20x = 10,716.24 × 4,362.81
  4. Step 4: Simplify right side
    7,765.20x = 46,752,919.03
  5. Step 5: Solve for x
    x = 46,752,919.03/7,765.20
  6. Step 6: Final answer
    x = 6,020.83

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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.