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Finding the Fourth Proportional to 8,814.94, 13,223.32 and 3,551.76

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Solution

The fourth proportional to 8,814.94, 13,223.32 and 3,551.76 is: 5,328.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,814.94 : 13,223.32 = 3,551.76 : x
  2. Step 2: Convert to fraction form
    8,814.94/13,223.32 = 3,551.76/x
  3. Step 3: Cross multiply
    8,814.94x = 13,223.32 × 3,551.76
  4. Step 4: Simplify right side
    8,814.94x = 46,966,050.16
  5. Step 5: Solve for x
    x = 46,966,050.16/8,814.94
  6. Step 6: Final answer
    x = 5,328.01

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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.