Home / 5,809.23-8,713.85-4,085.55

Finding the Fourth Proportional to 5,809.23, 8,713.85 and 4,085.55

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Solution

The fourth proportional to 5,809.23, 8,713.85 and 4,085.55 is: 6,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.23 : 8,713.85 = 4,085.55 : x
  2. Step 2: Convert to fraction form
    5,809.23/8,713.85 = 4,085.55/x
  3. Step 3: Cross multiply
    5,809.23x = 8,713.85 × 4,085.55
  4. Step 4: Simplify right side
    5,809.23x = 35,600,849.44
  5. Step 5: Solve for x
    x = 35,600,849.44/5,809.23
  6. Step 6: Final answer
    x = 6,128.33

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.