Home / 6,240.85-9,362.78-2,080.90

Finding the Fourth Proportional to 6,240.85, 9,362.78 and 2,080.90

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Solution

The fourth proportional to 6,240.85, 9,362.78 and 2,080.90 is: 3,121.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,240.85 : 9,362.78 = 2,080.90 : x
  2. Step 2: Convert to fraction form
    6,240.85/9,362.78 = 2,080.90/x
  3. Step 3: Cross multiply
    6,240.85x = 9,362.78 × 2,080.90
  4. Step 4: Simplify right side
    6,240.85x = 19,483,008.90
  5. Step 5: Solve for x
    x = 19,483,008.90/6,240.85
  6. Step 6: Final answer
    x = 3,121.85

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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.