Home / 4,057.91-6,086.35-1,284.86

Finding the Fourth Proportional to 4,057.91, 6,086.35 and 1,284.86

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Solution

The fourth proportional to 4,057.91, 6,086.35 and 1,284.86 is: 1,927.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,057.91 : 6,086.35 = 1,284.86 : x
  2. Step 2: Convert to fraction form
    4,057.91/6,086.35 = 1,284.86/x
  3. Step 3: Cross multiply
    4,057.91x = 6,086.35 × 1,284.86
  4. Step 4: Simplify right side
    4,057.91x = 7,820,124.48
  5. Step 5: Solve for x
    x = 7,820,124.48/4,057.91
  6. Step 6: Final answer
    x = 1,927.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.