Home / 7,865.08-11,800.30-4,939.96

Finding the Fourth Proportional to 7,865.08, 11,800.30 and 4,939.96

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Solution

The fourth proportional to 7,865.08, 11,800.30 and 4,939.96 is: 7,411.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,865.08 : 11,800.30 = 4,939.96 : x
  2. Step 2: Convert to fraction form
    7,865.08/11,800.30 = 4,939.96/x
  3. Step 3: Cross multiply
    7,865.08x = 11,800.30 × 4,939.96
  4. Step 4: Simplify right side
    7,865.08x = 58,293,009.99
  5. Step 5: Solve for x
    x = 58,293,009.99/7,865.08
  6. Step 6: Final answer
    x = 7,411.62

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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.