Home / 5,089.42-7,642.23-3,449.98

Finding the Fourth Proportional to 5,089.42, 7,642.23 and 3,449.98

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Solution

The fourth proportional to 5,089.42, 7,642.23 and 3,449.98 is: 5,180.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,089.42 : 7,642.23 = 3,449.98 : x
  2. Step 2: Convert to fraction form
    5,089.42/7,642.23 = 3,449.98/x
  3. Step 3: Cross multiply
    5,089.42x = 7,642.23 × 3,449.98
  4. Step 4: Simplify right side
    5,089.42x = 26,365,540.66
  5. Step 5: Solve for x
    x = 26,365,540.66/5,089.42
  6. Step 6: Final answer
    x = 5,180.46

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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.