Home / 6,712.84-9,262.66-3,879.16

Finding the Fourth Proportional to 6,712.84, 9,262.66 and 3,879.16

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Solution

The fourth proportional to 6,712.84, 9,262.66 and 3,879.16 is: 5,352.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,712.84 : 9,262.66 = 3,879.16 : x
  2. Step 2: Convert to fraction form
    6,712.84/9,262.66 = 3,879.16/x
  3. Step 3: Cross multiply
    6,712.84x = 9,262.66 × 3,879.16
  4. Step 4: Simplify right side
    6,712.84x = 35,931,340.17
  5. Step 5: Solve for x
    x = 35,931,340.17/6,712.84
  6. Step 6: Final answer
    x = 5,352.63

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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.