Home / 5,619.47-7,754.85-3,101.49

Finding the Fourth Proportional to 5,619.47, 7,754.85 and 3,101.49

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Solution

The fourth proportional to 5,619.47, 7,754.85 and 3,101.49 is: 4,280.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.47 : 7,754.85 = 3,101.49 : x
  2. Step 2: Convert to fraction form
    5,619.47/7,754.85 = 3,101.49/x
  3. Step 3: Cross multiply
    5,619.47x = 7,754.85 × 3,101.49
  4. Step 4: Simplify right side
    5,619.47x = 24,051,589.73
  5. Step 5: Solve for x
    x = 24,051,589.73/5,619.47
  6. Step 6: Final answer
    x = 4,280.05

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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.