Home / 9,861.37-14,787.50-3,285.79

Finding the Fourth Proportional to 9,861.37, 14,787.50 and 3,285.79

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Solution

The fourth proportional to 9,861.37, 14,787.50 and 3,285.79 is: 4,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.37 : 14,787.50 = 3,285.79 : x
  2. Step 2: Convert to fraction form
    9,861.37/14,787.50 = 3,285.79/x
  3. Step 3: Cross multiply
    9,861.37x = 14,787.50 × 3,285.79
  4. Step 4: Simplify right side
    9,861.37x = 48,588,566.23
  5. Step 5: Solve for x
    x = 48,588,566.23/9,861.37
  6. Step 6: Final answer
    x = 4,927.16

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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.