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Finding the Fourth Proportional to 9,285.16, 13,929.14 and 3,363.44

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Solution

The fourth proportional to 9,285.16, 13,929.14 and 3,363.44 is: 5,045.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.16 : 13,929.14 = 3,363.44 : x
  2. Step 2: Convert to fraction form
    9,285.16/13,929.14 = 3,363.44/x
  3. Step 3: Cross multiply
    9,285.16x = 13,929.14 × 3,363.44
  4. Step 4: Simplify right side
    9,285.16x = 46,849,826.64
  5. Step 5: Solve for x
    x = 46,849,826.64/9,285.16
  6. Step 6: Final answer
    x = 5,045.67

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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.