Home / 4,627.56-6,942.36-1,340.79

Finding the Fourth Proportional to 4,627.56, 6,942.36 and 1,340.79

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Solution

The fourth proportional to 4,627.56, 6,942.36 and 1,340.79 is: 2,011.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,627.56 : 6,942.36 = 1,340.79 : x
  2. Step 2: Convert to fraction form
    4,627.56/6,942.36 = 1,340.79/x
  3. Step 3: Cross multiply
    4,627.56x = 6,942.36 × 1,340.79
  4. Step 4: Simplify right side
    4,627.56x = 9,308,246.86
  5. Step 5: Solve for x
    x = 9,308,246.86/4,627.56
  6. Step 6: Final answer
    x = 2,011.48

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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.