Home / 5,626.63-7,765.23-3,109.02

Finding the Fourth Proportional to 5,626.63, 7,765.23 and 3,109.02

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Solution

The fourth proportional to 5,626.63, 7,765.23 and 3,109.02 is: 4,290.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,626.63 : 7,765.23 = 3,109.02 : x
  2. Step 2: Convert to fraction form
    5,626.63/7,765.23 = 3,109.02/x
  3. Step 3: Cross multiply
    5,626.63x = 7,765.23 × 3,109.02
  4. Step 4: Simplify right side
    5,626.63x = 24,142,255.37
  5. Step 5: Solve for x
    x = 24,142,255.37/5,626.63
  6. Step 6: Final answer
    x = 4,290.71

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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.