Home / 6,647.34-9,964.53-3,187.02

Finding the Fourth Proportional to 6,647.34, 9,964.53 and 3,187.02

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Solution

The fourth proportional to 6,647.34, 9,964.53 and 3,187.02 is: 4,777.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.34 : 9,964.53 = 3,187.02 : x
  2. Step 2: Convert to fraction form
    6,647.34/9,964.53 = 3,187.02/x
  3. Step 3: Cross multiply
    6,647.34x = 9,964.53 × 3,187.02
  4. Step 4: Simplify right side
    6,647.34x = 31,757,156.40
  5. Step 5: Solve for x
    x = 31,757,156.40/6,647.34
  6. Step 6: Final answer
    x = 4,777.42

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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.