Home / 5,435.69-8,152.31-2,511.18

Finding the Fourth Proportional to 5,435.69, 8,152.31 and 2,511.18

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Solution

The fourth proportional to 5,435.69, 8,152.31 and 2,511.18 is: 3,766.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.69 : 8,152.31 = 2,511.18 : x
  2. Step 2: Convert to fraction form
    5,435.69/8,152.31 = 2,511.18/x
  3. Step 3: Cross multiply
    5,435.69x = 8,152.31 × 2,511.18
  4. Step 4: Simplify right side
    5,435.69x = 20,471,905.27
  5. Step 5: Solve for x
    x = 20,471,905.27/5,435.69
  6. Step 6: Final answer
    x = 3,766.21

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1.5x scale

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.