Home / 6,938.55-10,406.82-2,555.01

Finding the Fourth Proportional to 6,938.55, 10,406.82 and 2,555.01

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Solution

The fourth proportional to 6,938.55, 10,406.82 and 2,555.01 is: 3,832.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,938.55 : 10,406.82 = 2,555.01 : x
  2. Step 2: Convert to fraction form
    6,938.55/10,406.82 = 2,555.01/x
  3. Step 3: Cross multiply
    6,938.55x = 10,406.82 × 2,555.01
  4. Step 4: Simplify right side
    6,938.55x = 26,589,529.17
  5. Step 5: Solve for x
    x = 26,589,529.17/6,938.55
  6. Step 6: Final answer
    x = 3,832.14

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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.