Home / 5,921.74-8,172.38-3,269.15

Finding the Fourth Proportional to 5,921.74, 8,172.38 and 3,269.15

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Solution

The fourth proportional to 5,921.74, 8,172.38 and 3,269.15 is: 4,511.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,921.74 : 8,172.38 = 3,269.15 : x
  2. Step 2: Convert to fraction form
    5,921.74/8,172.38 = 3,269.15/x
  3. Step 3: Cross multiply
    5,921.74x = 8,172.38 × 3,269.15
  4. Step 4: Simplify right side
    5,921.74x = 26,716,678.87
  5. Step 5: Solve for x
    x = 26,716,678.87/5,921.74
  6. Step 6: Final answer
    x = 4,511.63

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1.5x scale

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.