Home / 8,629.76-12,941.36-2,706

Finding the Fourth Proportional to 8,629.76, 12,941.36 and 2,706

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Solution

The fourth proportional to 8,629.76, 12,941.36 and 2,706 is: 4,057.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.76 : 12,941.36 = 2,706 : x
  2. Step 2: Convert to fraction form
    8,629.76/12,941.36 = 2,706/x
  3. Step 3: Cross multiply
    8,629.76x = 12,941.36 × 2,706
  4. Step 4: Simplify right side
    8,629.76x = 35,019,320.16
  5. Step 5: Solve for x
    x = 35,019,320.16/8,629.76
  6. Step 6: Final answer
    x = 4,057.97

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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.