Home / 6,512.16-9,769.74-2,129.52

Finding the Fourth Proportional to 6,512.16, 9,769.74 and 2,129.52

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Solution

The fourth proportional to 6,512.16, 9,769.74 and 2,129.52 is: 3,194.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.16 : 9,769.74 = 2,129.52 : x
  2. Step 2: Convert to fraction form
    6,512.16/9,769.74 = 2,129.52/x
  3. Step 3: Cross multiply
    6,512.16x = 9,769.74 × 2,129.52
  4. Step 4: Simplify right side
    6,512.16x = 20,804,856.72
  5. Step 5: Solve for x
    x = 20,804,856.72/6,512.16
  6. Step 6: Final answer
    x = 3,194.77

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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.