Home / 6,941.08-10,399.92-3,426.40

Finding the Fourth Proportional to 6,941.08, 10,399.92 and 3,426.40

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Solution

The fourth proportional to 6,941.08, 10,399.92 and 3,426.40 is: 5,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,941.08 : 10,399.92 = 3,426.40 : x
  2. Step 2: Convert to fraction form
    6,941.08/10,399.92 = 3,426.40/x
  3. Step 3: Cross multiply
    6,941.08x = 10,399.92 × 3,426.40
  4. Step 4: Simplify right side
    6,941.08x = 35,634,285.89
  5. Step 5: Solve for x
    x = 35,634,285.89/6,941.08
  6. Step 6: Final answer
    x = 5,133.82

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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.