Home / 6,931.27-10,399.48-4,159.93

Finding the Fourth Proportional to 6,931.27, 10,399.48 and 4,159.93

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Solution

The fourth proportional to 6,931.27, 10,399.48 and 4,159.93 is: 6,241.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,931.27 : 10,399.48 = 4,159.93 : x
  2. Step 2: Convert to fraction form
    6,931.27/10,399.48 = 4,159.93/x
  3. Step 3: Cross multiply
    6,931.27x = 10,399.48 × 4,159.93
  4. Step 4: Simplify right side
    6,931.27x = 43,261,046.44
  5. Step 5: Solve for x
    x = 43,261,046.44/6,931.27
  6. Step 6: Final answer
    x = 6,241.44

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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.