Home / 5,619.66-7,755.12-3,101.77

Finding the Fourth Proportional to 5,619.66, 7,755.12 and 3,101.77

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Solution

The fourth proportional to 5,619.66, 7,755.12 and 3,101.77 is: 4,280.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,619.66 : 7,755.12 = 3,101.77 : x
  2. Step 2: Convert to fraction form
    5,619.66/7,755.12 = 3,101.77/x
  3. Step 3: Cross multiply
    5,619.66x = 7,755.12 × 3,101.77
  4. Step 4: Simplify right side
    5,619.66x = 24,054,598.56
  5. Step 5: Solve for x
    x = 24,054,598.56/5,619.66
  6. Step 6: Final answer
    x = 4,280.44

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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.