Home / 7,960.89-10,986-4,424.43

Finding the Fourth Proportional to 7,960.89, 10,986 and 4,424.43

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Solution

The fourth proportional to 7,960.89, 10,986 and 4,424.43 is: 6,105.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,960.89 : 10,986 = 4,424.43 : x
  2. Step 2: Convert to fraction form
    7,960.89/10,986 = 4,424.43/x
  3. Step 3: Cross multiply
    7,960.89x = 10,986 × 4,424.43
  4. Step 4: Simplify right side
    7,960.89x = 48,606,787.98
  5. Step 5: Solve for x
    x = 48,606,787.98/7,960.89
  6. Step 6: Final answer
    x = 6,105.70

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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.