Home / 5,913.94-8,161.86-4,419.28

Finding the Fourth Proportional to 5,913.94, 8,161.86 and 4,419.28

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Solution

The fourth proportional to 5,913.94, 8,161.86 and 4,419.28 is: 6,099.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,913.94 : 8,161.86 = 4,419.28 : x
  2. Step 2: Convert to fraction form
    5,913.94/8,161.86 = 4,419.28/x
  3. Step 3: Cross multiply
    5,913.94x = 8,161.86 × 4,419.28
  4. Step 4: Simplify right side
    5,913.94x = 36,069,544.66
  5. Step 5: Solve for x
    x = 36,069,544.66/5,913.94
  6. Step 6: Final answer
    x = 6,099.08

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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.