Home / 8,145.16-12,218.44-2,599.28

Finding the Fourth Proportional to 8,145.16, 12,218.44 and 2,599.28

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Solution

The fourth proportional to 8,145.16, 12,218.44 and 2,599.28 is: 3,899.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,145.16 : 12,218.44 = 2,599.28 : x
  2. Step 2: Convert to fraction form
    8,145.16/12,218.44 = 2,599.28/x
  3. Step 3: Cross multiply
    8,145.16x = 12,218.44 × 2,599.28
  4. Step 4: Simplify right side
    8,145.16x = 31,759,146.72
  5. Step 5: Solve for x
    x = 31,759,146.72/8,145.16
  6. Step 6: Final answer
    x = 3,899.14

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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.