Home / 6,918.97-10,381.50-3,631.30

Finding the Fourth Proportional to 6,918.97, 10,381.50 and 3,631.30

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Solution

The fourth proportional to 6,918.97, 10,381.50 and 3,631.30 is: 5,448.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.97 : 10,381.50 = 3,631.30 : x
  2. Step 2: Convert to fraction form
    6,918.97/10,381.50 = 3,631.30/x
  3. Step 3: Cross multiply
    6,918.97x = 10,381.50 × 3,631.30
  4. Step 4: Simplify right side
    6,918.97x = 37,698,340.95
  5. Step 5: Solve for x
    x = 37,698,340.95/6,918.97
  6. Step 6: Final answer
    x = 5,448.55

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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.