Home / 5,435.61-8,152.11-2,511.11

Finding the Fourth Proportional to 5,435.61, 8,152.11 and 2,511.11

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Solution

The fourth proportional to 5,435.61, 8,152.11 and 2,511.11 is: 3,766.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,435.61 : 8,152.11 = 2,511.11 : x
  2. Step 2: Convert to fraction form
    5,435.61/8,152.11 = 2,511.11/x
  3. Step 3: Cross multiply
    5,435.61x = 8,152.11 × 2,511.11
  4. Step 4: Simplify right side
    5,435.61x = 20,470,804.18
  5. Step 5: Solve for x
    x = 20,470,804.18/5,435.61
  6. Step 6: Final answer
    x = 3,766.05

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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.