Home / 4,431.76-6,113.68-2,755.13

Finding the Fourth Proportional to 4,431.76, 6,113.68 and 2,755.13

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Solution

The fourth proportional to 4,431.76, 6,113.68 and 2,755.13 is: 3,800.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,431.76 : 6,113.68 = 2,755.13 : x
  2. Step 2: Convert to fraction form
    4,431.76/6,113.68 = 2,755.13/x
  3. Step 3: Cross multiply
    4,431.76x = 6,113.68 × 2,755.13
  4. Step 4: Simplify right side
    4,431.76x = 16,843,945.72
  5. Step 5: Solve for x
    x = 16,843,945.72/4,431.76
  6. Step 6: Final answer
    x = 3,800.74

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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.