Home / 4,669.28-6,999.60-2,070.80

Finding the Fourth Proportional to 4,669.28, 6,999.60 and 2,070.80

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Solution

The fourth proportional to 4,669.28, 6,999.60 and 2,070.80 is: 3,104.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,669.28 : 6,999.60 = 2,070.80 : x
  2. Step 2: Convert to fraction form
    4,669.28/6,999.60 = 2,070.80/x
  3. Step 3: Cross multiply
    4,669.28x = 6,999.60 × 2,070.80
  4. Step 4: Simplify right side
    4,669.28x = 14,494,771.68
  5. Step 5: Solve for x
    x = 14,494,771.68/4,669.28
  6. Step 6: Final answer
    x = 3,104.28

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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.