Home / 5,619.88-7,754.89-3,101.84

Finding the Fourth Proportional to 5,619.88, 7,754.89 and 3,101.84

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Solution

The fourth proportional to 5,619.88, 7,754.89 and 3,101.84 is: 4,280.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.88 : 7,754.89 = 3,101.84 : x
  2. Step 2: Convert to fraction form
    5,619.88/7,754.89 = 3,101.84/x
  3. Step 3: Cross multiply
    5,619.88x = 7,754.89 × 3,101.84
  4. Step 4: Simplify right side
    5,619.88x = 24,054,428.00
  5. Step 5: Solve for x
    x = 24,054,428.00/5,619.88
  6. Step 6: Final answer
    x = 4,280.24

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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.