Home / 6,378.02-9,564.91-2,679.56

Finding the Fourth Proportional to 6,378.02, 9,564.91 and 2,679.56

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Solution

The fourth proportional to 6,378.02, 9,564.91 and 2,679.56 is: 4,018.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.02 : 9,564.91 = 2,679.56 : x
  2. Step 2: Convert to fraction form
    6,378.02/9,564.91 = 2,679.56/x
  3. Step 3: Cross multiply
    6,378.02x = 9,564.91 × 2,679.56
  4. Step 4: Simplify right side
    6,378.02x = 25,629,785.39
  5. Step 5: Solve for x
    x = 25,629,785.39/6,378.02
  6. Step 6: Final answer
    x = 4,018.45

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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.