Home / 6,845.10-10,267.78-3,146.32

Finding the Fourth Proportional to 6,845.10, 10,267.78 and 3,146.32

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Solution

The fourth proportional to 6,845.10, 10,267.78 and 3,146.32 is: 4,719.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,845.10 : 10,267.78 = 3,146.32 : x
  2. Step 2: Convert to fraction form
    6,845.10/10,267.78 = 3,146.32/x
  3. Step 3: Cross multiply
    6,845.10x = 10,267.78 × 3,146.32
  4. Step 4: Simplify right side
    6,845.10x = 32,305,721.57
  5. Step 5: Solve for x
    x = 32,305,721.57/6,845.10
  6. Step 6: Final answer
    x = 4,719.54

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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.