Home / 4,470.89-6,703.74-2,991.80

Finding the Fourth Proportional to 4,470.89, 6,703.74 and 2,991.80

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Solution

The fourth proportional to 4,470.89, 6,703.74 and 2,991.80 is: 4,485.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,470.89 : 6,703.74 = 2,991.80 : x
  2. Step 2: Convert to fraction form
    4,470.89/6,703.74 = 2,991.80/x
  3. Step 3: Cross multiply
    4,470.89x = 6,703.74 × 2,991.80
  4. Step 4: Simplify right side
    4,470.89x = 20,056,251.13
  5. Step 5: Solve for x
    x = 20,056,251.13/4,470.89
  6. Step 6: Final answer
    x = 4,485.96

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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.