Home / 5,495.16-7,581.21-3,136.05

Finding the Fourth Proportional to 5,495.16, 7,581.21 and 3,136.05

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Solution

The fourth proportional to 5,495.16, 7,581.21 and 3,136.05 is: 4,326.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,495.16 : 7,581.21 = 3,136.05 : x
  2. Step 2: Convert to fraction form
    5,495.16/7,581.21 = 3,136.05/x
  3. Step 3: Cross multiply
    5,495.16x = 7,581.21 × 3,136.05
  4. Step 4: Simplify right side
    5,495.16x = 23,775,053.62
  5. Step 5: Solve for x
    x = 23,775,053.62/5,495.16
  6. Step 6: Final answer
    x = 4,326.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.