Home / 7,159.42-10,739.19-2,228.86

Finding the Fourth Proportional to 7,159.42, 10,739.19 and 2,228.86

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Solution

The fourth proportional to 7,159.42, 10,739.19 and 2,228.86 is: 3,343.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,159.42 : 10,739.19 = 2,228.86 : x
  2. Step 2: Convert to fraction form
    7,159.42/10,739.19 = 2,228.86/x
  3. Step 3: Cross multiply
    7,159.42x = 10,739.19 × 2,228.86
  4. Step 4: Simplify right side
    7,159.42x = 23,936,151.02
  5. Step 5: Solve for x
    x = 23,936,151.02/7,159.42
  6. Step 6: Final answer
    x = 3,343.31

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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.