Home / 7,214.27-10,828.69-5,136.62

Finding the Fourth Proportional to 7,214.27, 10,828.69 and 5,136.62

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Solution

The fourth proportional to 7,214.27, 10,828.69 and 5,136.62 is: 7,710.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.27 : 10,828.69 = 5,136.62 : x
  2. Step 2: Convert to fraction form
    7,214.27/10,828.69 = 5,136.62/x
  3. Step 3: Cross multiply
    7,214.27x = 10,828.69 × 5,136.62
  4. Step 4: Simplify right side
    7,214.27x = 55,622,798.64
  5. Step 5: Solve for x
    x = 55,622,798.64/7,214.27
  6. Step 6: Final answer
    x = 7,710.11

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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.