Home / 7,025.20-9,696.48-4,042.60

Finding the Fourth Proportional to 7,025.20, 9,696.48 and 4,042.60

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Solution

The fourth proportional to 7,025.20, 9,696.48 and 4,042.60 is: 5,579.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,025.20 : 9,696.48 = 4,042.60 : x
  2. Step 2: Convert to fraction form
    7,025.20/9,696.48 = 4,042.60/x
  3. Step 3: Cross multiply
    7,025.20x = 9,696.48 × 4,042.60
  4. Step 4: Simplify right side
    7,025.20x = 39,198,990.05
  5. Step 5: Solve for x
    x = 39,198,990.05/7,025.20
  6. Step 6: Final answer
    x = 5,579.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.