Home / 8,858.88-13,286.16-2,617.20

Finding the Fourth Proportional to 8,858.88, 13,286.16 and 2,617.20

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Solution

The fourth proportional to 8,858.88, 13,286.16 and 2,617.20 is: 3,925.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,858.88 : 13,286.16 = 2,617.20 : x
  2. Step 2: Convert to fraction form
    8,858.88/13,286.16 = 2,617.20/x
  3. Step 3: Cross multiply
    8,858.88x = 13,286.16 × 2,617.20
  4. Step 4: Simplify right side
    8,858.88x = 34,772,537.95
  5. Step 5: Solve for x
    x = 34,772,537.95/8,858.88
  6. Step 6: Final answer
    x = 3,925.16

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1.5x scale

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.