Home / 6,938.76-10,409.04-2,555.40

Finding the Fourth Proportional to 6,938.76, 10,409.04 and 2,555.40

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Solution

The fourth proportional to 6,938.76, 10,409.04 and 2,555.40 is: 3,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.76 : 10,409.04 = 2,555.40 : x
  2. Step 2: Convert to fraction form
    6,938.76/10,409.04 = 2,555.40/x
  3. Step 3: Cross multiply
    6,938.76x = 10,409.04 × 2,555.40
  4. Step 4: Simplify right side
    6,938.76x = 26,599,260.82
  5. Step 5: Solve for x
    x = 26,599,260.82/6,938.76
  6. Step 6: Final answer
    x = 3,833.43

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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.