Home / 6,715.66-10,090.50-4,251.64

Finding the Fourth Proportional to 6,715.66, 10,090.50 and 4,251.64

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Solution

The fourth proportional to 6,715.66, 10,090.50 and 4,251.64 is: 6,388.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,715.66 : 10,090.50 = 4,251.64 : x
  2. Step 2: Convert to fraction form
    6,715.66/10,090.50 = 4,251.64/x
  3. Step 3: Cross multiply
    6,715.66x = 10,090.50 × 4,251.64
  4. Step 4: Simplify right side
    6,715.66x = 42,901,173.42
  5. Step 5: Solve for x
    x = 42,901,173.42/6,715.66
  6. Step 6: Final answer
    x = 6,388.23

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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.