Home / 6,733.20-10,100.90-1,989.84

Finding the Fourth Proportional to 6,733.20, 10,100.90 and 1,989.84

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Solution

The fourth proportional to 6,733.20, 10,100.90 and 1,989.84 is: 2,985.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,733.20 : 10,100.90 = 1,989.84 : x
  2. Step 2: Convert to fraction form
    6,733.20/10,100.90 = 1,989.84/x
  3. Step 3: Cross multiply
    6,733.20x = 10,100.90 × 1,989.84
  4. Step 4: Simplify right side
    6,733.20x = 20,099,204.56
  5. Step 5: Solve for x
    x = 20,099,204.56/6,733.20
  6. Step 6: Final answer
    x = 2,985.09

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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.