Home / 9,177-12,664.26-4,985.34

Finding the Fourth Proportional to 9,177, 12,664.26 and 4,985.34

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Solution

The fourth proportional to 9,177, 12,664.26 and 4,985.34 is: 6,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,177 : 12,664.26 = 4,985.34 : x
  2. Step 2: Convert to fraction form
    9,177/12,664.26 = 4,985.34/x
  3. Step 3: Cross multiply
    9,177x = 12,664.26 × 4,985.34
  4. Step 4: Simplify right side
    9,177x = 63,135,641.95
  5. Step 5: Solve for x
    x = 63,135,641.95/9,177
  6. Step 6: Final answer
    x = 6,879.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.