Home / 4,003.56-6,000.84-1,920.60

Finding the Fourth Proportional to 4,003.56, 6,000.84 and 1,920.60

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Solution

The fourth proportional to 4,003.56, 6,000.84 and 1,920.60 is: 2,878.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,003.56 : 6,000.84 = 1,920.60 : x
  2. Step 2: Convert to fraction form
    4,003.56/6,000.84 = 1,920.60/x
  3. Step 3: Cross multiply
    4,003.56x = 6,000.84 × 1,920.60
  4. Step 4: Simplify right side
    4,003.56x = 11,525,213.30
  5. Step 5: Solve for x
    x = 11,525,213.30/4,003.56
  6. Step 6: Final answer
    x = 2,878.74

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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.