Home / 5,589.24-7,713.36-3,071.40

Finding the Fourth Proportional to 5,589.24, 7,713.36 and 3,071.40

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Solution

The fourth proportional to 5,589.24, 7,713.36 and 3,071.40 is: 4,238.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,589.24 : 7,713.36 = 3,071.40 : x
  2. Step 2: Convert to fraction form
    5,589.24/7,713.36 = 3,071.40/x
  3. Step 3: Cross multiply
    5,589.24x = 7,713.36 × 3,071.40
  4. Step 4: Simplify right side
    5,589.24x = 23,690,813.90
  5. Step 5: Solve for x
    x = 23,690,813.90/5,589.24
  6. Step 6: Final answer
    x = 4,238.65

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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.