Home / 6,870.85-9,481.77-3,727.03

Finding the Fourth Proportional to 6,870.85, 9,481.77 and 3,727.03

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Solution

The fourth proportional to 6,870.85, 9,481.77 and 3,727.03 is: 5,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,870.85 : 9,481.77 = 3,727.03 : x
  2. Step 2: Convert to fraction form
    6,870.85/9,481.77 = 3,727.03/x
  3. Step 3: Cross multiply
    6,870.85x = 9,481.77 × 3,727.03
  4. Step 4: Simplify right side
    6,870.85x = 35,338,841.24
  5. Step 5: Solve for x
    x = 35,338,841.24/6,870.85
  6. Step 6: Final answer
    x = 5,143.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.