Home / 7,631.10-11,435.31-4,511.80

Finding the Fourth Proportional to 7,631.10, 11,435.31 and 4,511.80

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Solution

The fourth proportional to 7,631.10, 11,435.31 and 4,511.80 is: 6,761.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,631.10 : 11,435.31 = 4,511.80 : x
  2. Step 2: Convert to fraction form
    7,631.10/11,435.31 = 4,511.80/x
  3. Step 3: Cross multiply
    7,631.10x = 11,435.31 × 4,511.80
  4. Step 4: Simplify right side
    7,631.10x = 51,593,831.66
  5. Step 5: Solve for x
    x = 51,593,831.66/7,631.10
  6. Step 6: Final answer
    x = 6,761.00

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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.