Home / 8,783.50-12,121.17-4,954.85

Finding the Fourth Proportional to 8,783.50, 12,121.17 and 4,954.85

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Solution

The fourth proportional to 8,783.50, 12,121.17 and 4,954.85 is: 6,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,783.50 : 12,121.17 = 4,954.85 : x
  2. Step 2: Convert to fraction form
    8,783.50/12,121.17 = 4,954.85/x
  3. Step 3: Cross multiply
    8,783.50x = 12,121.17 × 4,954.85
  4. Step 4: Simplify right side
    8,783.50x = 60,058,579.17
  5. Step 5: Solve for x
    x = 60,058,579.17/8,783.50
  6. Step 6: Final answer
    x = 6,837.66

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1.5x scale

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.