Home / 6,924.80-10,391.70-4,329.20

Finding the Fourth Proportional to 6,924.80, 10,391.70 and 4,329.20

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Solution

The fourth proportional to 6,924.80, 10,391.70 and 4,329.20 is: 6,496.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,924.80 : 10,391.70 = 4,329.20 : x
  2. Step 2: Convert to fraction form
    6,924.80/10,391.70 = 4,329.20/x
  3. Step 3: Cross multiply
    6,924.80x = 10,391.70 × 4,329.20
  4. Step 4: Simplify right side
    6,924.80x = 44,987,747.64
  5. Step 5: Solve for x
    x = 44,987,747.64/6,924.80
  6. Step 6: Final answer
    x = 6,496.61

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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.