Home / 7,829.76-11,746.46-2,635.64

Finding the Fourth Proportional to 7,829.76, 11,746.46 and 2,635.64

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Solution

The fourth proportional to 7,829.76, 11,746.46 and 2,635.64 is: 3,954.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,829.76 : 11,746.46 = 2,635.64 : x
  2. Step 2: Convert to fraction form
    7,829.76/11,746.46 = 2,635.64/x
  3. Step 3: Cross multiply
    7,829.76x = 11,746.46 × 2,635.64
  4. Step 4: Simplify right side
    7,829.76x = 30,959,439.83
  5. Step 5: Solve for x
    x = 30,959,439.83/7,829.76
  6. Step 6: Final answer
    x = 3,954.07

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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.