Home / 6,157.60-9,236.40-5,477.20

Finding the Fourth Proportional to 6,157.60, 9,236.40 and 5,477.20

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Solution

The fourth proportional to 6,157.60, 9,236.40 and 5,477.20 is: 8,215.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.60 : 9,236.40 = 5,477.20 : x
  2. Step 2: Convert to fraction form
    6,157.60/9,236.40 = 5,477.20/x
  3. Step 3: Cross multiply
    6,157.60x = 9,236.40 × 5,477.20
  4. Step 4: Simplify right side
    6,157.60x = 50,589,610.08
  5. Step 5: Solve for x
    x = 50,589,610.08/6,157.60
  6. Step 6: Final answer
    x = 8,215.80

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Half 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.