Home / 4,081.60-6,125.64-1,485.28

Finding the Fourth Proportional to 4,081.60, 6,125.64 and 1,485.28

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Solution

The fourth proportional to 4,081.60, 6,125.64 and 1,485.28 is: 2,229.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,081.60 : 6,125.64 = 1,485.28 : x
  2. Step 2: Convert to fraction form
    4,081.60/6,125.64 = 1,485.28/x
  3. Step 3: Cross multiply
    4,081.60x = 6,125.64 × 1,485.28
  4. Step 4: Simplify right side
    4,081.60x = 9,098,290.58
  5. Step 5: Solve for x
    x = 9,098,290.58/4,081.60
  6. Step 6: Final answer
    x = 2,229.10

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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.