Home / 5,531.34-7,629.72-4,202.12

Finding the Fourth Proportional to 5,531.34, 7,629.72 and 4,202.12

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Solution

The fourth proportional to 5,531.34, 7,629.72 and 4,202.12 is: 5,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,531.34 : 7,629.72 = 4,202.12 : x
  2. Step 2: Convert to fraction form
    5,531.34/7,629.72 = 4,202.12/x
  3. Step 3: Cross multiply
    5,531.34x = 7,629.72 × 4,202.12
  4. Step 4: Simplify right side
    5,531.34x = 32,060,999.01
  5. Step 5: Solve for x
    x = 32,060,999.01/5,531.34
  6. Step 6: Final answer
    x = 5,796.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.