Home / 8,355.30-12,528.62-2,511.14

Finding the Fourth Proportional to 8,355.30, 12,528.62 and 2,511.14

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Solution

The fourth proportional to 8,355.30, 12,528.62 and 2,511.14 is: 3,765.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,355.30 : 12,528.62 = 2,511.14 : x
  2. Step 2: Convert to fraction form
    8,355.30/12,528.62 = 2,511.14/x
  3. Step 3: Cross multiply
    8,355.30x = 12,528.62 × 2,511.14
  4. Step 4: Simplify right side
    8,355.30x = 31,461,118.83
  5. Step 5: Solve for x
    x = 31,461,118.83/8,355.30
  6. Step 6: Final answer
    x = 3,765.41

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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.