Home / 6,913.61-10,362.31-3,405.23

Finding the Fourth Proportional to 6,913.61, 10,362.31 and 3,405.23

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Solution

The fourth proportional to 6,913.61, 10,362.31 and 3,405.23 is: 5,103.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,913.61 : 10,362.31 = 3,405.23 : x
  2. Step 2: Convert to fraction form
    6,913.61/10,362.31 = 3,405.23/x
  3. Step 3: Cross multiply
    6,913.61x = 10,362.31 × 3,405.23
  4. Step 4: Simplify right side
    6,913.61x = 35,286,048.88
  5. Step 5: Solve for x
    x = 35,286,048.88/6,913.61
  6. Step 6: Final answer
    x = 5,103.85

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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.