Home / 6,151.20-8,489.82-3,852.66

Finding the Fourth Proportional to 6,151.20, 8,489.82 and 3,852.66

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Solution

The fourth proportional to 6,151.20, 8,489.82 and 3,852.66 is: 5,317.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,151.20 : 8,489.82 = 3,852.66 : x
  2. Step 2: Convert to fraction form
    6,151.20/8,489.82 = 3,852.66/x
  3. Step 3: Cross multiply
    6,151.20x = 8,489.82 × 3,852.66
  4. Step 4: Simplify right side
    6,151.20x = 32,708,347.47
  5. Step 5: Solve for x
    x = 32,708,347.47/6,151.20
  6. Step 6: Final answer
    x = 5,317.39

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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.