Home / 8,428.22-12,643.58-2,727.27

Finding the Fourth Proportional to 8,428.22, 12,643.58 and 2,727.27

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Solution

The fourth proportional to 8,428.22, 12,643.58 and 2,727.27 is: 4,091.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.22 : 12,643.58 = 2,727.27 : x
  2. Step 2: Convert to fraction form
    8,428.22/12,643.58 = 2,727.27/x
  3. Step 3: Cross multiply
    8,428.22x = 12,643.58 × 2,727.27
  4. Step 4: Simplify right side
    8,428.22x = 34,482,442.79
  5. Step 5: Solve for x
    x = 34,482,442.79/8,428.22
  6. Step 6: Final answer
    x = 4,091.31

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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.