Home / 6,288.75-8,678.48-3,494.25

Finding the Fourth Proportional to 6,288.75, 8,678.48 and 3,494.25

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Solution

The fourth proportional to 6,288.75, 8,678.48 and 3,494.25 is: 4,822.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,288.75 : 8,678.48 = 3,494.25 : x
  2. Step 2: Convert to fraction form
    6,288.75/8,678.48 = 3,494.25/x
  3. Step 3: Cross multiply
    6,288.75x = 8,678.48 × 3,494.25
  4. Step 4: Simplify right side
    6,288.75x = 30,324,761.27
  5. Step 5: Solve for x
    x = 30,324,761.27/6,288.75
  6. Step 6: Final answer
    x = 4,822.07

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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.