Home / 6,945.72-10,418.40-2,202.18

Finding the Fourth Proportional to 6,945.72, 10,418.40 and 2,202.18

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Solution

The fourth proportional to 6,945.72, 10,418.40 and 2,202.18 is: 3,303.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,945.72 : 10,418.40 = 2,202.18 : x
  2. Step 2: Convert to fraction form
    6,945.72/10,418.40 = 2,202.18/x
  3. Step 3: Cross multiply
    6,945.72x = 10,418.40 × 2,202.18
  4. Step 4: Simplify right side
    6,945.72x = 22,943,192.11
  5. Step 5: Solve for x
    x = 22,943,192.11/6,945.72
  6. Step 6: Final answer
    x = 3,303.21

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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.