Home / 6,313.46-8,721.39-5,981.31

Finding the Fourth Proportional to 6,313.46, 8,721.39 and 5,981.31

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Solution

The fourth proportional to 6,313.46, 8,721.39 and 5,981.31 is: 8,262.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,313.46 : 8,721.39 = 5,981.31 : x
  2. Step 2: Convert to fraction form
    6,313.46/8,721.39 = 5,981.31/x
  3. Step 3: Cross multiply
    6,313.46x = 8,721.39 × 5,981.31
  4. Step 4: Simplify right side
    6,313.46x = 52,165,337.22
  5. Step 5: Solve for x
    x = 52,165,337.22/6,313.46
  6. Step 6: Final answer
    x = 8,262.56

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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.