Home / 5,589.68-7,713.96-3,072.07

Finding the Fourth Proportional to 5,589.68, 7,713.96 and 3,072.07

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Solution

The fourth proportional to 5,589.68, 7,713.96 and 3,072.07 is: 4,239.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.68 : 7,713.96 = 3,072.07 : x
  2. Step 2: Convert to fraction form
    5,589.68/7,713.96 = 3,072.07/x
  3. Step 3: Cross multiply
    5,589.68x = 7,713.96 × 3,072.07
  4. Step 4: Simplify right side
    5,589.68x = 23,697,825.10
  5. Step 5: Solve for x
    x = 23,697,825.10/5,589.68
  6. Step 6: Final answer
    x = 4,239.57

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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.