Home / 6,313.82-8,713.31-3,925.13

Finding the Fourth Proportional to 6,313.82, 8,713.31 and 3,925.13

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Solution

The fourth proportional to 6,313.82, 8,713.31 and 3,925.13 is: 5,416.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.82 : 8,713.31 = 3,925.13 : x
  2. Step 2: Convert to fraction form
    6,313.82/8,713.31 = 3,925.13/x
  3. Step 3: Cross multiply
    6,313.82x = 8,713.31 × 3,925.13
  4. Step 4: Simplify right side
    6,313.82x = 34,200,811.29
  5. Step 5: Solve for x
    x = 34,200,811.29/6,313.82
  6. Step 6: Final answer
    x = 5,416.82

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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.