Home / 5,419.32-8,127.77-3,544.62

Finding the Fourth Proportional to 5,419.32, 8,127.77 and 3,544.62

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Solution

The fourth proportional to 5,419.32, 8,127.77 and 3,544.62 is: 5,316.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,419.32 : 8,127.77 = 3,544.62 : x
  2. Step 2: Convert to fraction form
    5,419.32/8,127.77 = 3,544.62/x
  3. Step 3: Cross multiply
    5,419.32x = 8,127.77 × 3,544.62
  4. Step 4: Simplify right side
    5,419.32x = 28,809,838.37
  5. Step 5: Solve for x
    x = 28,809,838.37/5,419.32
  6. Step 6: Final answer
    x = 5,316.14

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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.