Home / 6,124.07-8,448.21-3,998.60

Finding the Fourth Proportional to 6,124.07, 8,448.21 and 3,998.60

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Solution

The fourth proportional to 6,124.07, 8,448.21 and 3,998.60 is: 5,516.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,124.07 : 8,448.21 = 3,998.60 : x
  2. Step 2: Convert to fraction form
    6,124.07/8,448.21 = 3,998.60/x
  3. Step 3: Cross multiply
    6,124.07x = 8,448.21 × 3,998.60
  4. Step 4: Simplify right side
    6,124.07x = 33,781,012.51
  5. Step 5: Solve for x
    x = 33,781,012.51/6,124.07
  6. Step 6: Final answer
    x = 5,516.10

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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.