Home / 8,454.06-11,669.48-4,920.23

Finding the Fourth Proportional to 8,454.06, 11,669.48 and 4,920.23

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Solution

The fourth proportional to 8,454.06, 11,669.48 and 4,920.23 is: 6,791.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,454.06 : 11,669.48 = 4,920.23 : x
  2. Step 2: Convert to fraction form
    8,454.06/11,669.48 = 4,920.23/x
  3. Step 3: Cross multiply
    8,454.06x = 11,669.48 × 4,920.23
  4. Step 4: Simplify right side
    8,454.06x = 57,416,525.58
  5. Step 5: Solve for x
    x = 57,416,525.58/8,454.06
  6. Step 6: Final answer
    x = 6,791.59

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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.