Home / 4,322.73-5,966.15-3,389.61

Finding the Fourth Proportional to 4,322.73, 5,966.15 and 3,389.61

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Solution

The fourth proportional to 4,322.73, 5,966.15 and 3,389.61 is: 4,678.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,322.73 : 5,966.15 = 3,389.61 : x
  2. Step 2: Convert to fraction form
    4,322.73/5,966.15 = 3,389.61/x
  3. Step 3: Cross multiply
    4,322.73x = 5,966.15 × 3,389.61
  4. Step 4: Simplify right side
    4,322.73x = 20,222,904.75
  5. Step 5: Solve for x
    x = 20,222,904.75/4,322.73
  6. Step 6: Final answer
    x = 4,678.27

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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.