Home / 4,090.76-6,129.20-2,526.87

Finding the Fourth Proportional to 4,090.76, 6,129.20 and 2,526.87

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Solution

The fourth proportional to 4,090.76, 6,129.20 and 2,526.87 is: 3,786.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,090.76 : 6,129.20 = 2,526.87 : x
  2. Step 2: Convert to fraction form
    4,090.76/6,129.20 = 2,526.87/x
  3. Step 3: Cross multiply
    4,090.76x = 6,129.20 × 2,526.87
  4. Step 4: Simplify right side
    4,090.76x = 15,487,678.97
  5. Step 5: Solve for x
    x = 15,487,678.97/4,090.76
  6. Step 6: Final answer
    x = 3,786.02

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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.