Home / 4,247.98-5,860.58-3,131.57

Finding the Fourth Proportional to 4,247.98, 5,860.58 and 3,131.57

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Solution

The fourth proportional to 4,247.98, 5,860.58 and 3,131.57 is: 4,320.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,247.98 : 5,860.58 = 3,131.57 : x
  2. Step 2: Convert to fraction form
    4,247.98/5,860.58 = 3,131.57/x
  3. Step 3: Cross multiply
    4,247.98x = 5,860.58 × 3,131.57
  4. Step 4: Simplify right side
    4,247.98x = 18,352,815.50
  5. Step 5: Solve for x
    x = 18,352,815.50/4,247.98
  6. Step 6: Final answer
    x = 4,320.37

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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.