Home / 8,433.36-12,642.84-4,268.16

Finding the Fourth Proportional to 8,433.36, 12,642.84 and 4,268.16

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Solution

The fourth proportional to 8,433.36, 12,642.84 and 4,268.16 is: 6,398.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,433.36 : 12,642.84 = 4,268.16 : x
  2. Step 2: Convert to fraction form
    8,433.36/12,642.84 = 4,268.16/x
  3. Step 3: Cross multiply
    8,433.36x = 12,642.84 × 4,268.16
  4. Step 4: Simplify right side
    8,433.36x = 53,961,663.97
  5. Step 5: Solve for x
    x = 53,961,663.97/8,433.36
  6. Step 6: Final answer
    x = 6,398.60

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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.