Home / 6,856.36-9,461.78-3,712.54

Finding the Fourth Proportional to 6,856.36, 9,461.78 and 3,712.54

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Solution

The fourth proportional to 6,856.36, 9,461.78 and 3,712.54 is: 5,123.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,856.36 : 9,461.78 = 3,712.54 : x
  2. Step 2: Convert to fraction form
    6,856.36/9,461.78 = 3,712.54/x
  3. Step 3: Cross multiply
    6,856.36x = 9,461.78 × 3,712.54
  4. Step 4: Simplify right side
    6,856.36x = 35,127,236.72
  5. Step 5: Solve for x
    x = 35,127,236.72/6,856.36
  6. Step 6: Final answer
    x = 5,123.31

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Half scale
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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.