Home / 7,570.56-11,355.85-3,185.22

Finding the Fourth Proportional to 7,570.56, 11,355.85 and 3,185.22

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Solution

The fourth proportional to 7,570.56, 11,355.85 and 3,185.22 is: 4,777.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,570.56 : 11,355.85 = 3,185.22 : x
  2. Step 2: Convert to fraction form
    7,570.56/11,355.85 = 3,185.22/x
  3. Step 3: Cross multiply
    7,570.56x = 11,355.85 × 3,185.22
  4. Step 4: Simplify right side
    7,570.56x = 36,170,909.19
  5. Step 5: Solve for x
    x = 36,170,909.19/7,570.56
  6. Step 6: Final answer
    x = 4,777.84

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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.