Home / 5,717.77-8,571.18-1,819.64

Finding the Fourth Proportional to 5,717.77, 8,571.18 and 1,819.64

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Solution

The fourth proportional to 5,717.77, 8,571.18 and 1,819.64 is: 2,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,717.77 : 8,571.18 = 1,819.64 : x
  2. Step 2: Convert to fraction form
    5,717.77/8,571.18 = 1,819.64/x
  3. Step 3: Cross multiply
    5,717.77x = 8,571.18 × 1,819.64
  4. Step 4: Simplify right side
    5,717.77x = 15,596,461.98
  5. Step 5: Solve for x
    x = 15,596,461.98/5,717.77
  6. Step 6: Final answer
    x = 2,727.72

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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.