Home / 5,620.48-7,756.09-3,230.85

Finding the Fourth Proportional to 5,620.48, 7,756.09 and 3,230.85

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Solution

The fourth proportional to 5,620.48, 7,756.09 and 3,230.85 is: 4,458.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,620.48 : 7,756.09 = 3,230.85 : x
  2. Step 2: Convert to fraction form
    5,620.48/7,756.09 = 3,230.85/x
  3. Step 3: Cross multiply
    5,620.48x = 7,756.09 × 3,230.85
  4. Step 4: Simplify right side
    5,620.48x = 25,058,763.38
  5. Step 5: Solve for x
    x = 25,058,763.38/5,620.48
  6. Step 6: Final answer
    x = 4,458.47

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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.