Home / 6,203.75-8,560.20-3,685.79

Finding the Fourth Proportional to 6,203.75, 8,560.20 and 3,685.79

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Solution

The fourth proportional to 6,203.75, 8,560.20 and 3,685.79 is: 5,085.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,203.75 : 8,560.20 = 3,685.79 : x
  2. Step 2: Convert to fraction form
    6,203.75/8,560.20 = 3,685.79/x
  3. Step 3: Cross multiply
    6,203.75x = 8,560.20 × 3,685.79
  4. Step 4: Simplify right side
    6,203.75x = 31,551,118.73
  5. Step 5: Solve for x
    x = 31,551,118.73/6,203.75
  6. Step 6: Final answer
    x = 5,085.82

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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.