Home / 5,328.74-7,991.99-1,433.18

Finding the Fourth Proportional to 5,328.74, 7,991.99 and 1,433.18

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Solution

The fourth proportional to 5,328.74, 7,991.99 and 1,433.18 is: 2,149.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,328.74 : 7,991.99 = 1,433.18 : x
  2. Step 2: Convert to fraction form
    5,328.74/7,991.99 = 1,433.18/x
  3. Step 3: Cross multiply
    5,328.74x = 7,991.99 × 1,433.18
  4. Step 4: Simplify right side
    5,328.74x = 11,453,960.23
  5. Step 5: Solve for x
    x = 11,453,960.23/5,328.74
  6. Step 6: Final answer
    x = 2,149.47

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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.