Home / 5,716.77-8,569.68-1,818.64

Finding the Fourth Proportional to 5,716.77, 8,569.68 and 1,818.64

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Solution

The fourth proportional to 5,716.77, 8,569.68 and 1,818.64 is: 2,726.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,716.77 : 8,569.68 = 1,818.64 : x
  2. Step 2: Convert to fraction form
    5,716.77/8,569.68 = 1,818.64/x
  3. Step 3: Cross multiply
    5,716.77x = 8,569.68 × 1,818.64
  4. Step 4: Simplify right side
    5,716.77x = 15,585,162.84
  5. Step 5: Solve for x
    x = 15,585,162.84/5,716.77
  6. Step 6: Final answer
    x = 2,726.22

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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.