Home / 5,589.90-7,713.56-3,071.98

Finding the Fourth Proportional to 5,589.90, 7,713.56 and 3,071.98

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Solution

The fourth proportional to 5,589.90, 7,713.56 and 3,071.98 is: 4,239.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.90 : 7,713.56 = 3,071.98 : x
  2. Step 2: Convert to fraction form
    5,589.90/7,713.56 = 3,071.98/x
  3. Step 3: Cross multiply
    5,589.90x = 7,713.56 × 3,071.98
  4. Step 4: Simplify right side
    5,589.90x = 23,695,902.05
  5. Step 5: Solve for x
    x = 23,695,902.05/5,589.90
  6. Step 6: Final answer
    x = 4,239.06

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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.