Home / 6,910.20-10,359.12-3,012.48

Finding the Fourth Proportional to 6,910.20, 10,359.12 and 3,012.48

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Solution

The fourth proportional to 6,910.20, 10,359.12 and 3,012.48 is: 4,516.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,910.20 : 10,359.12 = 3,012.48 : x
  2. Step 2: Convert to fraction form
    6,910.20/10,359.12 = 3,012.48/x
  3. Step 3: Cross multiply
    6,910.20x = 10,359.12 × 3,012.48
  4. Step 4: Simplify right side
    6,910.20x = 31,206,641.82
  5. Step 5: Solve for x
    x = 31,206,641.82/6,910.20
  6. Step 6: Final answer
    x = 4,516.03

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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.