Home / 6,759.15-10,142.36-2,813.13

Finding the Fourth Proportional to 6,759.15, 10,142.36 and 2,813.13

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Solution

The fourth proportional to 6,759.15, 10,142.36 and 2,813.13 is: 4,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,759.15 : 10,142.36 = 2,813.13 : x
  2. Step 2: Convert to fraction form
    6,759.15/10,142.36 = 2,813.13/x
  3. Step 3: Cross multiply
    6,759.15x = 10,142.36 × 2,813.13
  4. Step 4: Simplify right side
    6,759.15x = 28,531,712.41
  5. Step 5: Solve for x
    x = 28,531,712.41/6,759.15
  6. Step 6: Final answer
    x = 4,221.20

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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.