Home / 8,749.84-13,137-5,453.32

Finding the Fourth Proportional to 8,749.84, 13,137 and 5,453.32

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Solution

The fourth proportional to 8,749.84, 13,137 and 5,453.32 is: 8,187.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,749.84 : 13,137 = 5,453.32 : x
  2. Step 2: Convert to fraction form
    8,749.84/13,137 = 5,453.32/x
  3. Step 3: Cross multiply
    8,749.84x = 13,137 × 5,453.32
  4. Step 4: Simplify right side
    8,749.84x = 71,640,264.84
  5. Step 5: Solve for x
    x = 71,640,264.84/8,749.84
  6. Step 6: Final answer
    x = 8,187.61

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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.