Home / 6,923.52-10,379.52-5,391.36

Finding the Fourth Proportional to 6,923.52, 10,379.52 and 5,391.36

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Solution

The fourth proportional to 6,923.52, 10,379.52 and 5,391.36 is: 8,082.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,923.52 : 10,379.52 = 5,391.36 : x
  2. Step 2: Convert to fraction form
    6,923.52/10,379.52 = 5,391.36/x
  3. Step 3: Cross multiply
    6,923.52x = 10,379.52 × 5,391.36
  4. Step 4: Simplify right side
    6,923.52x = 55,959,728.95
  5. Step 5: Solve for x
    x = 55,959,728.95/6,923.52
  6. Step 6: Final answer
    x = 8,082.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.