Home / 6,875.12-10,311.03-3,173.80

Finding the Fourth Proportional to 6,875.12, 10,311.03 and 3,173.80

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Solution

The fourth proportional to 6,875.12, 10,311.03 and 3,173.80 is: 4,759.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,875.12 : 10,311.03 = 3,173.80 : x
  2. Step 2: Convert to fraction form
    6,875.12/10,311.03 = 3,173.80/x
  3. Step 3: Cross multiply
    6,875.12x = 10,311.03 × 3,173.80
  4. Step 4: Simplify right side
    6,875.12x = 32,725,083.68
  5. Step 5: Solve for x
    x = 32,725,083.68/6,875.12
  6. Step 6: Final answer
    x = 4,759.93

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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.