Home / 5,074.37-7,612.51-1,789.55

Finding the Fourth Proportional to 5,074.37, 7,612.51 and 1,789.55

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Solution

The fourth proportional to 5,074.37, 7,612.51 and 1,789.55 is: 2,684.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,074.37 : 7,612.51 = 1,789.55 : x
  2. Step 2: Convert to fraction form
    5,074.37/7,612.51 = 1,789.55/x
  3. Step 3: Cross multiply
    5,074.37x = 7,612.51 × 1,789.55
  4. Step 4: Simplify right side
    5,074.37x = 13,622,989.11
  5. Step 5: Solve for x
    x = 13,622,989.11/5,074.37
  6. Step 6: Final answer
    x = 2,684.66

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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.