Home / 7,942-10,960.66-4,405.90

Finding the Fourth Proportional to 7,942, 10,960.66 and 4,405.90

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Solution

The fourth proportional to 7,942, 10,960.66 and 4,405.90 is: 6,080.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,942 : 10,960.66 = 4,405.90 : x
  2. Step 2: Convert to fraction form
    7,942/10,960.66 = 4,405.90/x
  3. Step 3: Cross multiply
    7,942x = 10,960.66 × 4,405.90
  4. Step 4: Simplify right side
    7,942x = 48,291,571.89
  5. Step 5: Solve for x
    x = 48,291,571.89/7,942
  6. Step 6: Final answer
    x = 6,080.53

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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.