Home / 8,867.21-13,302.77-2,627.72

Finding the Fourth Proportional to 8,867.21, 13,302.77 and 2,627.72

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Solution

The fourth proportional to 8,867.21, 13,302.77 and 2,627.72 is: 3,942.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,867.21 : 13,302.77 = 2,627.72 : x
  2. Step 2: Convert to fraction form
    8,867.21/13,302.77 = 2,627.72/x
  3. Step 3: Cross multiply
    8,867.21x = 13,302.77 × 2,627.72
  4. Step 4: Simplify right side
    8,867.21x = 34,955,875.13
  5. Step 5: Solve for x
    x = 34,955,875.13/8,867.21
  6. Step 6: Final answer
    x = 3,942.15

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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.