Home / 6,815.80-10,219.38-4,472.92

Finding the Fourth Proportional to 6,815.80, 10,219.38 and 4,472.92

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Solution

The fourth proportional to 6,815.80, 10,219.38 and 4,472.92 is: 6,706.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.80 : 10,219.38 = 4,472.92 : x
  2. Step 2: Convert to fraction form
    6,815.80/10,219.38 = 4,472.92/x
  3. Step 3: Cross multiply
    6,815.80x = 10,219.38 × 4,472.92
  4. Step 4: Simplify right side
    6,815.80x = 45,710,469.19
  5. Step 5: Solve for x
    x = 45,710,469.19/6,815.80
  6. Step 6: Final answer
    x = 6,706.54

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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.