Home / 7,929.06-10,942.11-4,392.33

Finding the Fourth Proportional to 7,929.06, 10,942.11 and 4,392.33

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Solution

The fourth proportional to 7,929.06, 10,942.11 and 4,392.33 is: 6,061.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.06 : 10,942.11 = 4,392.33 : x
  2. Step 2: Convert to fraction form
    7,929.06/10,942.11 = 4,392.33/x
  3. Step 3: Cross multiply
    7,929.06x = 10,942.11 × 4,392.33
  4. Step 4: Simplify right side
    7,929.06x = 48,061,358.02
  5. Step 5: Solve for x
    x = 48,061,358.02/7,929.06
  6. Step 6: Final answer
    x = 6,061.42

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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.