Home / 8,327.78-11,492.25-4,790.90

Finding the Fourth Proportional to 8,327.78, 11,492.25 and 4,790.90

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Solution

The fourth proportional to 8,327.78, 11,492.25 and 4,790.90 is: 6,611.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.78 : 11,492.25 = 4,790.90 : x
  2. Step 2: Convert to fraction form
    8,327.78/11,492.25 = 4,790.90/x
  3. Step 3: Cross multiply
    8,327.78x = 11,492.25 × 4,790.90
  4. Step 4: Simplify right side
    8,327.78x = 55,058,220.53
  5. Step 5: Solve for x
    x = 55,058,220.53/8,327.78
  6. Step 6: Final answer
    x = 6,611.39

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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.