Home / 5,234.26-7,223.43-3,139.06

Finding the Fourth Proportional to 5,234.26, 7,223.43 and 3,139.06

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Solution

The fourth proportional to 5,234.26, 7,223.43 and 3,139.06 is: 4,331.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.26 : 7,223.43 = 3,139.06 : x
  2. Step 2: Convert to fraction form
    5,234.26/7,223.43 = 3,139.06/x
  3. Step 3: Cross multiply
    5,234.26x = 7,223.43 × 3,139.06
  4. Step 4: Simplify right side
    5,234.26x = 22,674,780.18
  5. Step 5: Solve for x
    x = 22,674,780.18/5,234.26
  6. Step 6: Final answer
    x = 4,331.99

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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.