Home / 7,090.86-10,636.29-3,190.71

Finding the Fourth Proportional to 7,090.86, 10,636.29 and 3,190.71

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Solution

The fourth proportional to 7,090.86, 10,636.29 and 3,190.71 is: 4,786.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,090.86 : 10,636.29 = 3,190.71 : x
  2. Step 2: Convert to fraction form
    7,090.86/10,636.29 = 3,190.71/x
  3. Step 3: Cross multiply
    7,090.86x = 10,636.29 × 3,190.71
  4. Step 4: Simplify right side
    7,090.86x = 33,937,247.73
  5. Step 5: Solve for x
    x = 33,937,247.73/7,090.86
  6. Step 6: Final answer
    x = 4,786.06

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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.