Home / 9,630.80-14,435.40-4,083.20

Finding the Fourth Proportional to 9,630.80, 14,435.40 and 4,083.20

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Solution

The fourth proportional to 9,630.80, 14,435.40 and 4,083.20 is: 6,120.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,630.80 : 14,435.40 = 4,083.20 : x
  2. Step 2: Convert to fraction form
    9,630.80/14,435.40 = 4,083.20/x
  3. Step 3: Cross multiply
    9,630.80x = 14,435.40 × 4,083.20
  4. Step 4: Simplify right side
    9,630.80x = 58,942,625.28
  5. Step 5: Solve for x
    x = 58,942,625.28/9,630.80
  6. Step 6: Final answer
    x = 6,120.22

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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.