Home / 5,003.80-7,505.70-4,442.20

Finding the Fourth Proportional to 5,003.80, 7,505.70 and 4,442.20

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Solution

The fourth proportional to 5,003.80, 7,505.70 and 4,442.20 is: 6,663.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,003.80 : 7,505.70 = 4,442.20 : x
  2. Step 2: Convert to fraction form
    5,003.80/7,505.70 = 4,442.20/x
  3. Step 3: Cross multiply
    5,003.80x = 7,505.70 × 4,442.20
  4. Step 4: Simplify right side
    5,003.80x = 33,341,820.54
  5. Step 5: Solve for x
    x = 33,341,820.54/5,003.80
  6. Step 6: Final answer
    x = 6,663.30

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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.