Home / 7,766.66-10,716.90-4,408.40

Finding the Fourth Proportional to 7,766.66, 10,716.90 and 4,408.40

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Solution

The fourth proportional to 7,766.66, 10,716.90 and 4,408.40 is: 6,082.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,766.66 : 10,716.90 = 4,408.40 : x
  2. Step 2: Convert to fraction form
    7,766.66/10,716.90 = 4,408.40/x
  3. Step 3: Cross multiply
    7,766.66x = 10,716.90 × 4,408.40
  4. Step 4: Simplify right side
    7,766.66x = 47,244,381.96
  5. Step 5: Solve for x
    x = 47,244,381.96/7,766.66
  6. Step 6: Final answer
    x = 6,082.97

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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.