Home / 7,457.50-11,186.22-5,815.27

Finding the Fourth Proportional to 7,457.50, 11,186.22 and 5,815.27

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Solution

The fourth proportional to 7,457.50, 11,186.22 and 5,815.27 is: 8,722.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.50 : 11,186.22 = 5,815.27 : x
  2. Step 2: Convert to fraction form
    7,457.50/11,186.22 = 5,815.27/x
  3. Step 3: Cross multiply
    7,457.50x = 11,186.22 × 5,815.27
  4. Step 4: Simplify right side
    7,457.50x = 65,050,889.58
  5. Step 5: Solve for x
    x = 65,050,889.58/7,457.50
  6. Step 6: Final answer
    x = 8,722.88

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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.