Home / 7,929.24-10,942.29-4,392.38

Finding the Fourth Proportional to 7,929.24, 10,942.29 and 4,392.38

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Solution

The fourth proportional to 7,929.24, 10,942.29 and 4,392.38 is: 6,061.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.24 : 10,942.29 = 4,392.38 : x
  2. Step 2: Convert to fraction form
    7,929.24/10,942.29 = 4,392.38/x
  3. Step 3: Cross multiply
    7,929.24x = 10,942.29 × 4,392.38
  4. Step 4: Simplify right side
    7,929.24x = 48,062,661.56
  5. Step 5: Solve for x
    x = 48,062,661.56/7,929.24
  6. Step 6: Final answer
    x = 6,061.44

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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.