Home / 6,502.06-9,754.91-2,119.78

Finding the Fourth Proportional to 6,502.06, 9,754.91 and 2,119.78

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Solution

The fourth proportional to 6,502.06, 9,754.91 and 2,119.78 is: 3,180.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,502.06 : 9,754.91 = 2,119.78 : x
  2. Step 2: Convert to fraction form
    6,502.06/9,754.91 = 2,119.78/x
  3. Step 3: Cross multiply
    6,502.06x = 9,754.91 × 2,119.78
  4. Step 4: Simplify right side
    6,502.06x = 20,678,252.52
  5. Step 5: Solve for x
    x = 20,678,252.52/6,502.06
  6. Step 6: Final answer
    x = 3,180.26

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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.