Home / 9,414.89-14,121.96-2,840.90

Finding the Fourth Proportional to 9,414.89, 14,121.96 and 2,840.90

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Solution

The fourth proportional to 9,414.89, 14,121.96 and 2,840.90 is: 4,261.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,414.89 : 14,121.96 = 2,840.90 : x
  2. Step 2: Convert to fraction form
    9,414.89/14,121.96 = 2,840.90/x
  3. Step 3: Cross multiply
    9,414.89x = 14,121.96 × 2,840.90
  4. Step 4: Simplify right side
    9,414.89x = 40,119,005.55
  5. Step 5: Solve for x
    x = 40,119,005.55/9,414.89
  6. Step 6: Final answer
    x = 4,261.23

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1.5x scale

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.