Home / 5,638.23-8,457.33-2,262.55

Finding the Fourth Proportional to 5,638.23, 8,457.33 and 2,262.55

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Solution

The fourth proportional to 5,638.23, 8,457.33 and 2,262.55 is: 3,393.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,638.23 : 8,457.33 = 2,262.55 : x
  2. Step 2: Convert to fraction form
    5,638.23/8,457.33 = 2,262.55/x
  3. Step 3: Cross multiply
    5,638.23x = 8,457.33 × 2,262.55
  4. Step 4: Simplify right side
    5,638.23x = 19,135,131.99
  5. Step 5: Solve for x
    x = 19,135,131.99/5,638.23
  6. Step 6: Final answer
    x = 3,393.82

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Half scale
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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.