Home / 8,757.05-13,136.51-3,210.91

Finding the Fourth Proportional to 8,757.05, 13,136.51 and 3,210.91

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Solution

The fourth proportional to 8,757.05, 13,136.51 and 3,210.91 is: 4,816.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,757.05 : 13,136.51 = 3,210.91 : x
  2. Step 2: Convert to fraction form
    8,757.05/13,136.51 = 3,210.91/x
  3. Step 3: Cross multiply
    8,757.05x = 13,136.51 × 3,210.91
  4. Step 4: Simplify right side
    8,757.05x = 42,180,126.51
  5. Step 5: Solve for x
    x = 42,180,126.51/8,757.05
  6. Step 6: Final answer
    x = 4,816.71

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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.