Home / 5,143.66-7,711.50-2,368.36

Finding the Fourth Proportional to 5,143.66, 7,711.50 and 2,368.36

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Solution

The fourth proportional to 5,143.66, 7,711.50 and 2,368.36 is: 3,550.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,143.66 : 7,711.50 = 2,368.36 : x
  2. Step 2: Convert to fraction form
    5,143.66/7,711.50 = 2,368.36/x
  3. Step 3: Cross multiply
    5,143.66x = 7,711.50 × 2,368.36
  4. Step 4: Simplify right side
    5,143.66x = 18,263,608.14
  5. Step 5: Solve for x
    x = 18,263,608.14/5,143.66
  6. Step 6: Final answer
    x = 3,550.70

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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.