Home / 8,812.19-13,223.76-3,618.07

Finding the Fourth Proportional to 8,812.19, 13,223.76 and 3,618.07

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Solution

The fourth proportional to 8,812.19, 13,223.76 and 3,618.07 is: 5,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,812.19 : 13,223.76 = 3,618.07 : x
  2. Step 2: Convert to fraction form
    8,812.19/13,223.76 = 3,618.07/x
  3. Step 3: Cross multiply
    8,812.19x = 13,223.76 × 3,618.07
  4. Step 4: Simplify right side
    8,812.19x = 47,844,442.72
  5. Step 5: Solve for x
    x = 47,844,442.72/8,812.19
  6. Step 6: Final answer
    x = 5,429.35

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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.