Home / 6,687.48-10,025.57-4,216.86

Finding the Fourth Proportional to 6,687.48, 10,025.57 and 4,216.86

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Solution

The fourth proportional to 6,687.48, 10,025.57 and 4,216.86 is: 6,321.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,687.48 : 10,025.57 = 4,216.86 : x
  2. Step 2: Convert to fraction form
    6,687.48/10,025.57 = 4,216.86/x
  3. Step 3: Cross multiply
    6,687.48x = 10,025.57 × 4,216.86
  4. Step 4: Simplify right side
    6,687.48x = 42,276,425.11
  5. Step 5: Solve for x
    x = 42,276,425.11/6,687.48
  6. Step 6: Final answer
    x = 6,321.73

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1.5x scale

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.