Home / 8,005.22-11,047.94-4,420.82

Finding the Fourth Proportional to 8,005.22, 11,047.94 and 4,420.82

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Solution

The fourth proportional to 8,005.22, 11,047.94 and 4,420.82 is: 6,101.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,005.22 : 11,047.94 = 4,420.82 : x
  2. Step 2: Convert to fraction form
    8,005.22/11,047.94 = 4,420.82/x
  3. Step 3: Cross multiply
    8,005.22x = 11,047.94 × 4,420.82
  4. Step 4: Simplify right side
    8,005.22x = 48,840,954.11
  5. Step 5: Solve for x
    x = 48,840,954.11/8,005.22
  6. Step 6: Final answer
    x = 6,101.14

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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.