Home / 7,457.50-11,186.28-2,527.18

Finding the Fourth Proportional to 7,457.50, 11,186.28 and 2,527.18

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Solution

The fourth proportional to 7,457.50, 11,186.28 and 2,527.18 is: 3,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.50 : 11,186.28 = 2,527.18 : x
  2. Step 2: Convert to fraction form
    7,457.50/11,186.28 = 2,527.18/x
  3. Step 3: Cross multiply
    7,457.50x = 11,186.28 × 2,527.18
  4. Step 4: Simplify right side
    7,457.50x = 28,269,743.09
  5. Step 5: Solve for x
    x = 28,269,743.09/7,457.50
  6. Step 6: Final answer
    x = 3,790.78

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Half scale
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Double scale
Find fourth proportional to 7,458.50, 11,187.78 and 2,528.18
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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.