Home / 8,740.77-13,102.02-3,809.07

Finding the Fourth Proportional to 8,740.77, 13,102.02 and 3,809.07

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Solution

The fourth proportional to 8,740.77, 13,102.02 and 3,809.07 is: 5,709.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,740.77 : 13,102.02 = 3,809.07 : x
  2. Step 2: Convert to fraction form
    8,740.77/13,102.02 = 3,809.07/x
  3. Step 3: Cross multiply
    8,740.77x = 13,102.02 × 3,809.07
  4. Step 4: Simplify right side
    8,740.77x = 49,906,511.32
  5. Step 5: Solve for x
    x = 49,906,511.32/8,740.77
  6. Step 6: Final answer
    x = 5,709.62

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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.