Home / 8,455.74-12,669.66-2,906.07

Finding the Fourth Proportional to 8,455.74, 12,669.66 and 2,906.07

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Solution

The fourth proportional to 8,455.74, 12,669.66 and 2,906.07 is: 4,354.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,455.74 : 12,669.66 = 2,906.07 : x
  2. Step 2: Convert to fraction form
    8,455.74/12,669.66 = 2,906.07/x
  3. Step 3: Cross multiply
    8,455.74x = 12,669.66 × 2,906.07
  4. Step 4: Simplify right side
    8,455.74x = 36,818,918.84
  5. Step 5: Solve for x
    x = 36,818,918.84/8,455.74
  6. Step 6: Final answer
    x = 4,354.31

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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.