Home / 6,313.20-8,712.26-3,662.19

Finding the Fourth Proportional to 6,313.20, 8,712.26 and 3,662.19

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Solution

The fourth proportional to 6,313.20, 8,712.26 and 3,662.19 is: 5,053.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.20 : 8,712.26 = 3,662.19 : x
  2. Step 2: Convert to fraction form
    6,313.20/8,712.26 = 3,662.19/x
  3. Step 3: Cross multiply
    6,313.20x = 8,712.26 × 3,662.19
  4. Step 4: Simplify right side
    6,313.20x = 31,905,951.45
  5. Step 5: Solve for x
    x = 31,905,951.45/6,313.20
  6. Step 6: Final answer
    x = 5,053.85

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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.