Home / 6,330.47-9,485.30-2,168.21

Finding the Fourth Proportional to 6,330.47, 9,485.30 and 2,168.21

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Solution

The fourth proportional to 6,330.47, 9,485.30 and 2,168.21 is: 3,248.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,330.47 : 9,485.30 = 2,168.21 : x
  2. Step 2: Convert to fraction form
    6,330.47/9,485.30 = 2,168.21/x
  3. Step 3: Cross multiply
    6,330.47x = 9,485.30 × 2,168.21
  4. Step 4: Simplify right side
    6,330.47x = 20,566,081.32
  5. Step 5: Solve for x
    x = 20,566,081.32/6,330.47
  6. Step 6: Final answer
    x = 3,248.75

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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.