Home / 6,939.41-9,579.51-4,822.09

Finding the Fourth Proportional to 6,939.41, 9,579.51 and 4,822.09

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Solution

The fourth proportional to 6,939.41, 9,579.51 and 4,822.09 is: 6,656.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.41 : 9,579.51 = 4,822.09 : x
  2. Step 2: Convert to fraction form
    6,939.41/9,579.51 = 4,822.09/x
  3. Step 3: Cross multiply
    6,939.41x = 9,579.51 × 4,822.09
  4. Step 4: Simplify right side
    6,939.41x = 46,193,235.43
  5. Step 5: Solve for x
    x = 46,193,235.43/6,939.41
  6. Step 6: Final answer
    x = 6,656.66

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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.