Home / 7,765.81-10,716.27-4,408.69

Finding the Fourth Proportional to 7,765.81, 10,716.27 and 4,408.69

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Solution

The fourth proportional to 7,765.81, 10,716.27 and 4,408.69 is: 6,083.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.81 : 10,716.27 = 4,408.69 : x
  2. Step 2: Convert to fraction form
    7,765.81/10,716.27 = 4,408.69/x
  3. Step 3: Cross multiply
    7,765.81x = 10,716.27 × 4,408.69
  4. Step 4: Simplify right side
    7,765.81x = 47,244,712.39
  5. Step 5: Solve for x
    x = 47,244,712.39/7,765.81
  6. Step 6: Final answer
    x = 6,083.68

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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.