Home / 6,939.15-10,409.42-2,555.58

Finding the Fourth Proportional to 6,939.15, 10,409.42 and 2,555.58

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Solution

The fourth proportional to 6,939.15, 10,409.42 and 2,555.58 is: 3,833.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,939.15 : 10,409.42 = 2,555.58 : x
  2. Step 2: Convert to fraction form
    6,939.15/10,409.42 = 2,555.58/x
  3. Step 3: Cross multiply
    6,939.15x = 10,409.42 × 2,555.58
  4. Step 4: Simplify right side
    6,939.15x = 26,602,092.79
  5. Step 5: Solve for x
    x = 26,602,092.79/6,939.15
  6. Step 6: Final answer
    x = 3,833.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.