Home / 8,968.28-13,456.29-3,423.29

Finding the Fourth Proportional to 8,968.28, 13,456.29 and 3,423.29

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Solution

The fourth proportional to 8,968.28, 13,456.29 and 3,423.29 is: 5,136.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.28 : 13,456.29 = 3,423.29 : x
  2. Step 2: Convert to fraction form
    8,968.28/13,456.29 = 3,423.29/x
  3. Step 3: Cross multiply
    8,968.28x = 13,456.29 × 3,423.29
  4. Step 4: Simplify right side
    8,968.28x = 46,064,782.99
  5. Step 5: Solve for x
    x = 46,064,782.99/8,968.28
  6. Step 6: Final answer
    x = 5,136.41

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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.