Home / 5,619.09-7,754.82-3,101.74

Finding the Fourth Proportional to 5,619.09, 7,754.82 and 3,101.74

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Solution

The fourth proportional to 5,619.09, 7,754.82 and 3,101.74 is: 4,280.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.09 : 7,754.82 = 3,101.74 : x
  2. Step 2: Convert to fraction form
    5,619.09/7,754.82 = 3,101.74/x
  3. Step 3: Cross multiply
    5,619.09x = 7,754.82 × 3,101.74
  4. Step 4: Simplify right side
    5,619.09x = 24,053,435.39
  5. Step 5: Solve for x
    x = 24,053,435.39/5,619.09
  6. Step 6: Final answer
    x = 4,280.66

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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.