Home / 8,460.12-11,672.31-4,922.65

Finding the Fourth Proportional to 8,460.12, 11,672.31 and 4,922.65

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Solution

The fourth proportional to 8,460.12, 11,672.31 and 4,922.65 is: 6,791.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,460.12 : 11,672.31 = 4,922.65 : x
  2. Step 2: Convert to fraction form
    8,460.12/11,672.31 = 4,922.65/x
  3. Step 3: Cross multiply
    8,460.12x = 11,672.31 × 4,922.65
  4. Step 4: Simplify right side
    8,460.12x = 57,458,696.82
  5. Step 5: Solve for x
    x = 57,458,696.82/8,460.12
  6. Step 6: Final answer
    x = 6,791.71

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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.