Home / 4,684.11-7,057.39-4,239.91

Finding the Fourth Proportional to 4,684.11, 7,057.39 and 4,239.91

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Solution

The fourth proportional to 4,684.11, 7,057.39 and 4,239.91 is: 6,388.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,684.11 : 7,057.39 = 4,239.91 : x
  2. Step 2: Convert to fraction form
    4,684.11/7,057.39 = 4,239.91/x
  3. Step 3: Cross multiply
    4,684.11x = 7,057.39 × 4,239.91
  4. Step 4: Simplify right side
    4,684.11x = 29,922,698.43
  5. Step 5: Solve for x
    x = 29,922,698.43/4,684.11
  6. Step 6: Final answer
    x = 6,388.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.