Home / 7,929.11-10,942.03-4,392.25

Finding the Fourth Proportional to 7,929.11, 10,942.03 and 4,392.25

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Solution

The fourth proportional to 7,929.11, 10,942.03 and 4,392.25 is: 6,061.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.11 : 10,942.03 = 4,392.25 : x
  2. Step 2: Convert to fraction form
    7,929.11/10,942.03 = 4,392.25/x
  3. Step 3: Cross multiply
    7,929.11x = 10,942.03 × 4,392.25
  4. Step 4: Simplify right side
    7,929.11x = 48,060,131.27
  5. Step 5: Solve for x
    x = 48,060,131.27/7,929.11
  6. Step 6: Final answer
    x = 6,061.23

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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.