Home / 5,212.02-7,814.36-2,613.54

Finding the Fourth Proportional to 5,212.02, 7,814.36 and 2,613.54

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Solution

The fourth proportional to 5,212.02, 7,814.36 and 2,613.54 is: 3,918.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.02 : 7,814.36 = 2,613.54 : x
  2. Step 2: Convert to fraction form
    5,212.02/7,814.36 = 2,613.54/x
  3. Step 3: Cross multiply
    5,212.02x = 7,814.36 × 2,613.54
  4. Step 4: Simplify right side
    5,212.02x = 20,423,142.43
  5. Step 5: Solve for x
    x = 20,423,142.43/5,212.02
  6. Step 6: Final answer
    x = 3,918.47

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.