Home / 9,717.77-14,578.78-3,143.86

Finding the Fourth Proportional to 9,717.77, 14,578.78 and 3,143.86

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Solution

The fourth proportional to 9,717.77, 14,578.78 and 3,143.86 is: 4,716.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,717.77 : 14,578.78 = 3,143.86 : x
  2. Step 2: Convert to fraction form
    9,717.77/14,578.78 = 3,143.86/x
  3. Step 3: Cross multiply
    9,717.77x = 14,578.78 × 3,143.86
  4. Step 4: Simplify right side
    9,717.77x = 45,833,643.29
  5. Step 5: Solve for x
    x = 45,833,643.29/9,717.77
  6. Step 6: Final answer
    x = 4,716.48

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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.