Home / 6,512.88-9,770.82-2,130.66

Finding the Fourth Proportional to 6,512.88, 9,770.82 and 2,130.66

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Solution

The fourth proportional to 6,512.88, 9,770.82 and 2,130.66 is: 3,196.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,512.88 : 9,770.82 = 2,130.66 : x
  2. Step 2: Convert to fraction form
    6,512.88/9,770.82 = 2,130.66/x
  3. Step 3: Cross multiply
    6,512.88x = 9,770.82 × 2,130.66
  4. Step 4: Simplify right side
    6,512.88x = 20,818,295.34
  5. Step 5: Solve for x
    x = 20,818,295.34/6,512.88
  6. Step 6: Final answer
    x = 3,196.48

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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.