Home / 4,129.83-6,194.28-1,208.16

Finding the Fourth Proportional to 4,129.83, 6,194.28 and 1,208.16

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Solution

The fourth proportional to 4,129.83, 6,194.28 and 1,208.16 is: 1,812.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,129.83 : 6,194.28 = 1,208.16 : x
  2. Step 2: Convert to fraction form
    4,129.83/6,194.28 = 1,208.16/x
  3. Step 3: Cross multiply
    4,129.83x = 6,194.28 × 1,208.16
  4. Step 4: Simplify right side
    4,129.83x = 7,483,650.35
  5. Step 5: Solve for x
    x = 7,483,650.35/4,129.83
  6. Step 6: Final answer
    x = 1,812.10

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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.