Home / 6,512.13-9,768.74-2,129.49

Finding the Fourth Proportional to 6,512.13, 9,768.74 and 2,129.49

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Solution

The fourth proportional to 6,512.13, 9,768.74 and 2,129.49 is: 3,194.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.13 : 9,768.74 = 2,129.49 : x
  2. Step 2: Convert to fraction form
    6,512.13/9,768.74 = 2,129.49/x
  3. Step 3: Cross multiply
    6,512.13x = 9,768.74 × 2,129.49
  4. Step 4: Simplify right side
    6,512.13x = 20,802,423.50
  5. Step 5: Solve for x
    x = 20,802,423.50/6,512.13
  6. Step 6: Final answer
    x = 3,194.41

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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.