Home / 7,929.05-10,942.11-4,392.32

Finding the Fourth Proportional to 7,929.05, 10,942.11 and 4,392.32

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Solution

The fourth proportional to 7,929.05, 10,942.11 and 4,392.32 is: 6,061.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.05 : 10,942.11 = 4,392.32 : x
  2. Step 2: Convert to fraction form
    7,929.05/10,942.11 = 4,392.32/x
  3. Step 3: Cross multiply
    7,929.05x = 10,942.11 × 4,392.32
  4. Step 4: Simplify right side
    7,929.05x = 48,061,193.88
  5. Step 5: Solve for x
    x = 48,061,193.88/7,929.05
  6. Step 6: Final answer
    x = 6,061.41

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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.