Home / 9,905.86-14,861.09-2,886.62

Finding the Fourth Proportional to 9,905.86, 14,861.09 and 2,886.62

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Solution

The fourth proportional to 9,905.86, 14,861.09 and 2,886.62 is: 4,330.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,905.86 : 14,861.09 = 2,886.62 : x
  2. Step 2: Convert to fraction form
    9,905.86/14,861.09 = 2,886.62/x
  3. Step 3: Cross multiply
    9,905.86x = 14,861.09 × 2,886.62
  4. Step 4: Simplify right side
    9,905.86x = 42,898,282.46
  5. Step 5: Solve for x
    x = 42,898,282.46/9,905.86
  6. Step 6: Final answer
    x = 4,330.60

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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.