Home / 5,679.25-7,811.35-4,557.73

Finding the Fourth Proportional to 5,679.25, 7,811.35 and 4,557.73

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Solution

The fourth proportional to 5,679.25, 7,811.35 and 4,557.73 is: 6,268.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,679.25 : 7,811.35 = 4,557.73 : x
  2. Step 2: Convert to fraction form
    5,679.25/7,811.35 = 4,557.73/x
  3. Step 3: Cross multiply
    5,679.25x = 7,811.35 × 4,557.73
  4. Step 4: Simplify right side
    5,679.25x = 35,602,025.35
  5. Step 5: Solve for x
    x = 35,602,025.35/5,679.25
  6. Step 6: Final answer
    x = 6,268.79

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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.