Home / 8,458.03-11,667.39-4,920.85

Finding the Fourth Proportional to 8,458.03, 11,667.39 and 4,920.85

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Solution

The fourth proportional to 8,458.03, 11,667.39 and 4,920.85 is: 6,788.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,458.03 : 11,667.39 = 4,920.85 : x
  2. Step 2: Convert to fraction form
    8,458.03/11,667.39 = 4,920.85/x
  3. Step 3: Cross multiply
    8,458.03x = 11,667.39 × 4,920.85
  4. Step 4: Simplify right side
    8,458.03x = 57,413,476.08
  5. Step 5: Solve for x
    x = 57,413,476.08/8,458.03
  6. Step 6: Final answer
    x = 6,788.04

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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.