Home / 4,119.52-6,172.08-3,430.62

Finding the Fourth Proportional to 4,119.52, 6,172.08 and 3,430.62

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Solution

The fourth proportional to 4,119.52, 6,172.08 and 3,430.62 is: 5,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,119.52 : 6,172.08 = 3,430.62 : x
  2. Step 2: Convert to fraction form
    4,119.52/6,172.08 = 3,430.62/x
  3. Step 3: Cross multiply
    4,119.52x = 6,172.08 × 3,430.62
  4. Step 4: Simplify right side
    4,119.52x = 21,174,061.09
  5. Step 5: Solve for x
    x = 21,174,061.09/4,119.52
  6. Step 6: Final answer
    x = 5,139.93

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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.