Home / 8,886.63-13,320.68-3,619.35

Finding the Fourth Proportional to 8,886.63, 13,320.68 and 3,619.35

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Solution

The fourth proportional to 8,886.63, 13,320.68 and 3,619.35 is: 5,425.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,886.63 : 13,320.68 = 3,619.35 : x
  2. Step 2: Convert to fraction form
    8,886.63/13,320.68 = 3,619.35/x
  3. Step 3: Cross multiply
    8,886.63x = 13,320.68 × 3,619.35
  4. Step 4: Simplify right side
    8,886.63x = 48,212,203.16
  5. Step 5: Solve for x
    x = 48,212,203.16/8,886.63
  6. Step 6: Final answer
    x = 5,425.25

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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.