Home / 5,419.63-7,479.17-3,029.86

Finding the Fourth Proportional to 5,419.63, 7,479.17 and 3,029.86

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Solution

The fourth proportional to 5,419.63, 7,479.17 and 3,029.86 is: 4,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.63 : 7,479.17 = 3,029.86 : x
  2. Step 2: Convert to fraction form
    5,419.63/7,479.17 = 3,029.86/x
  3. Step 3: Cross multiply
    5,419.63x = 7,479.17 × 3,029.86
  4. Step 4: Simplify right side
    5,419.63x = 22,660,838.02
  5. Step 5: Solve for x
    x = 22,660,838.02/5,419.63
  6. Step 6: Final answer
    x = 4,181.25

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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.