Home / 7,201.06-10,800.68-3,042.72

Finding the Fourth Proportional to 7,201.06, 10,800.68 and 3,042.72

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Solution

The fourth proportional to 7,201.06, 10,800.68 and 3,042.72 is: 4,563.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,201.06 : 10,800.68 = 3,042.72 : x
  2. Step 2: Convert to fraction form
    7,201.06/10,800.68 = 3,042.72/x
  3. Step 3: Cross multiply
    7,201.06x = 10,800.68 × 3,042.72
  4. Step 4: Simplify right side
    7,201.06x = 32,863,445.05
  5. Step 5: Solve for x
    x = 32,863,445.05/7,201.06
  6. Step 6: Final answer
    x = 4,563.70

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1.5x scale

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.