Home / 4,451.34-6,138.83-2,856.15

Finding the Fourth Proportional to 4,451.34, 6,138.83 and 2,856.15

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Solution

The fourth proportional to 4,451.34, 6,138.83 and 2,856.15 is: 3,938.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,451.34 : 6,138.83 = 2,856.15 : x
  2. Step 2: Convert to fraction form
    4,451.34/6,138.83 = 2,856.15/x
  3. Step 3: Cross multiply
    4,451.34x = 6,138.83 × 2,856.15
  4. Step 4: Simplify right side
    4,451.34x = 17,533,405.02
  5. Step 5: Solve for x
    x = 17,533,405.02/4,451.34
  6. Step 6: Final answer
    x = 3,938.90

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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.