Home / 6,647.14-9,170.43-5,807.88

Finding the Fourth Proportional to 6,647.14, 9,170.43 and 5,807.88

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Solution

The fourth proportional to 6,647.14, 9,170.43 and 5,807.88 is: 8,012.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.14 : 9,170.43 = 5,807.88 : x
  2. Step 2: Convert to fraction form
    6,647.14/9,170.43 = 5,807.88/x
  3. Step 3: Cross multiply
    6,647.14x = 9,170.43 × 5,807.88
  4. Step 4: Simplify right side
    6,647.14x = 53,260,756.99
  5. Step 5: Solve for x
    x = 53,260,756.99/6,647.14
  6. Step 6: Final answer
    x = 8,012.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.