Home / 5,128.22-7,692.33-3,670.22

Finding the Fourth Proportional to 5,128.22, 7,692.33 and 3,670.22

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Solution

The fourth proportional to 5,128.22, 7,692.33 and 3,670.22 is: 5,505.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,128.22 : 7,692.33 = 3,670.22 : x
  2. Step 2: Convert to fraction form
    5,128.22/7,692.33 = 3,670.22/x
  3. Step 3: Cross multiply
    5,128.22x = 7,692.33 × 3,670.22
  4. Step 4: Simplify right side
    5,128.22x = 28,232,543.41
  5. Step 5: Solve for x
    x = 28,232,543.41/5,128.22
  6. Step 6: Final answer
    x = 5,505.33

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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.