Home / 5,090.72-7,637.04-2,012.96

Finding the Fourth Proportional to 5,090.72, 7,637.04 and 2,012.96

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Solution

The fourth proportional to 5,090.72, 7,637.04 and 2,012.96 is: 3,019.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,090.72 : 7,637.04 = 2,012.96 : x
  2. Step 2: Convert to fraction form
    5,090.72/7,637.04 = 2,012.96/x
  3. Step 3: Cross multiply
    5,090.72x = 7,637.04 × 2,012.96
  4. Step 4: Simplify right side
    5,090.72x = 15,373,056.04
  5. Step 5: Solve for x
    x = 15,373,056.04/5,090.72
  6. Step 6: Final answer
    x = 3,019.82

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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.