Home / 5,786.70-8,672.38-2,621.77

Finding the Fourth Proportional to 5,786.70, 8,672.38 and 2,621.77

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Solution

The fourth proportional to 5,786.70, 8,672.38 and 2,621.77 is: 3,929.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,786.70 : 8,672.38 = 2,621.77 : x
  2. Step 2: Convert to fraction form
    5,786.70/8,672.38 = 2,621.77/x
  3. Step 3: Cross multiply
    5,786.70x = 8,672.38 × 2,621.77
  4. Step 4: Simplify right side
    5,786.70x = 22,736,985.71
  5. Step 5: Solve for x
    x = 22,736,985.71/5,786.70
  6. Step 6: Final answer
    x = 3,929.18

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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.