Home / 7,765.32-10,716.66-4,408.38

Finding the Fourth Proportional to 7,765.32, 10,716.66 and 4,408.38

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Solution

The fourth proportional to 7,765.32, 10,716.66 and 4,408.38 is: 6,083.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,765.32 : 10,716.66 = 4,408.38 : x
  2. Step 2: Convert to fraction form
    7,765.32/10,716.66 = 4,408.38/x
  3. Step 3: Cross multiply
    7,765.32x = 10,716.66 × 4,408.38
  4. Step 4: Simplify right side
    7,765.32x = 47,243,109.61
  5. Step 5: Solve for x
    x = 47,243,109.61/7,765.32
  6. Step 6: Final answer
    x = 6,083.86

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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.