Home / 7,146.92-10,719.47-2,216.45

Finding the Fourth Proportional to 7,146.92, 10,719.47 and 2,216.45

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Solution

The fourth proportional to 7,146.92, 10,719.47 and 2,216.45 is: 3,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,146.92 : 10,719.47 = 2,216.45 : x
  2. Step 2: Convert to fraction form
    7,146.92/10,719.47 = 2,216.45/x
  3. Step 3: Cross multiply
    7,146.92x = 10,719.47 × 2,216.45
  4. Step 4: Simplify right side
    7,146.92x = 23,759,104.60
  5. Step 5: Solve for x
    x = 23,759,104.60/7,146.92
  6. Step 6: Final answer
    x = 3,324.39

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1.5x scale

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.