Home / 6,720.86-10,076.68-2,970.84

Finding the Fourth Proportional to 6,720.86, 10,076.68 and 2,970.84

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Solution

The fourth proportional to 6,720.86, 10,076.68 and 2,970.84 is: 4,454.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,720.86 : 10,076.68 = 2,970.84 : x
  2. Step 2: Convert to fraction form
    6,720.86/10,076.68 = 2,970.84/x
  3. Step 3: Cross multiply
    6,720.86x = 10,076.68 × 2,970.84
  4. Step 4: Simplify right side
    6,720.86x = 29,936,194.65
  5. Step 5: Solve for x
    x = 29,936,194.65/6,720.86
  6. Step 6: Final answer
    x = 4,454.22

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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.