Home / 7,847.07-10,829.46-5,489.97

Finding the Fourth Proportional to 7,847.07, 10,829.46 and 5,489.97

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Solution

The fourth proportional to 7,847.07, 10,829.46 and 5,489.97 is: 7,576.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.07 : 10,829.46 = 5,489.97 : x
  2. Step 2: Convert to fraction form
    7,847.07/10,829.46 = 5,489.97/x
  3. Step 3: Cross multiply
    7,847.07x = 10,829.46 × 5,489.97
  4. Step 4: Simplify right side
    7,847.07x = 59,453,410.52
  5. Step 5: Solve for x
    x = 59,453,410.52/7,847.07
  6. Step 6: Final answer
    x = 7,576.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.