Home / 9,285.48-13,934.34-4,905.99

Finding the Fourth Proportional to 9,285.48, 13,934.34 and 4,905.99

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Solution

The fourth proportional to 9,285.48, 13,934.34 and 4,905.99 is: 7,362.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,285.48 : 13,934.34 = 4,905.99 : x
  2. Step 2: Convert to fraction form
    9,285.48/13,934.34 = 4,905.99/x
  3. Step 3: Cross multiply
    9,285.48x = 13,934.34 × 4,905.99
  4. Step 4: Simplify right side
    9,285.48x = 68,361,732.70
  5. Step 5: Solve for x
    x = 68,361,732.70/9,285.48
  6. Step 6: Final answer
    x = 7,362.22

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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.