Home / 7,507.60-11,261.40-4,883.20

Finding the Fourth Proportional to 7,507.60, 11,261.40 and 4,883.20

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Solution

The fourth proportional to 7,507.60, 11,261.40 and 4,883.20 is: 7,324.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,507.60 : 11,261.40 = 4,883.20 : x
  2. Step 2: Convert to fraction form
    7,507.60/11,261.40 = 4,883.20/x
  3. Step 3: Cross multiply
    7,507.60x = 11,261.40 × 4,883.20
  4. Step 4: Simplify right side
    7,507.60x = 54,991,668.48
  5. Step 5: Solve for x
    x = 54,991,668.48/7,507.60
  6. Step 6: Final answer
    x = 7,324.80

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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.