Home / 5,161.24-7,739.47-2,528.88

Finding the Fourth Proportional to 5,161.24, 7,739.47 and 2,528.88

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Solution

The fourth proportional to 5,161.24, 7,739.47 and 2,528.88 is: 3,792.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,161.24 : 7,739.47 = 2,528.88 : x
  2. Step 2: Convert to fraction form
    5,161.24/7,739.47 = 2,528.88/x
  3. Step 3: Cross multiply
    5,161.24x = 7,739.47 × 2,528.88
  4. Step 4: Simplify right side
    5,161.24x = 19,572,150.81
  5. Step 5: Solve for x
    x = 19,572,150.81/5,161.24
  6. Step 6: Final answer
    x = 3,792.14

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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.