Home / 7,778.18-10,734-4,241.57

Finding the Fourth Proportional to 7,778.18, 10,734 and 4,241.57

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Solution

The fourth proportional to 7,778.18, 10,734 and 4,241.57 is: 5,853.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,778.18 : 10,734 = 4,241.57 : x
  2. Step 2: Convert to fraction form
    7,778.18/10,734 = 4,241.57/x
  3. Step 3: Cross multiply
    7,778.18x = 10,734 × 4,241.57
  4. Step 4: Simplify right side
    7,778.18x = 45,529,012.38
  5. Step 5: Solve for x
    x = 45,529,012.38/7,778.18
  6. Step 6: Final answer
    x = 5,853.43

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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.