Home / 8,458.18-11,669.42-4,918.48

Finding the Fourth Proportional to 8,458.18, 11,669.42 and 4,918.48

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Solution

The fourth proportional to 8,458.18, 11,669.42 and 4,918.48 is: 6,785.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.18 : 11,669.42 = 4,918.48 : x
  2. Step 2: Convert to fraction form
    8,458.18/11,669.42 = 4,918.48/x
  3. Step 3: Cross multiply
    8,458.18x = 11,669.42 × 4,918.48
  4. Step 4: Simplify right side
    8,458.18x = 57,395,808.88
  5. Step 5: Solve for x
    x = 57,395,808.88/8,458.18
  6. Step 6: Final answer
    x = 6,785.83

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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.