Home / 4,378.09-6,565.94-1,456.01

Finding the Fourth Proportional to 4,378.09, 6,565.94 and 1,456.01

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Solution

The fourth proportional to 4,378.09, 6,565.94 and 1,456.01 is: 2,183.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,378.09 : 6,565.94 = 1,456.01 : x
  2. Step 2: Convert to fraction form
    4,378.09/6,565.94 = 1,456.01/x
  3. Step 3: Cross multiply
    4,378.09x = 6,565.94 × 1,456.01
  4. Step 4: Simplify right side
    4,378.09x = 9,560,067.02
  5. Step 5: Solve for x
    x = 9,560,067.02/4,378.09
  6. Step 6: Final answer
    x = 2,183.62

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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.