Home / 7,072.08-10,609.48-2,689.19

Finding the Fourth Proportional to 7,072.08, 10,609.48 and 2,689.19

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Solution

The fourth proportional to 7,072.08, 10,609.48 and 2,689.19 is: 4,034.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.08 : 10,609.48 = 2,689.19 : x
  2. Step 2: Convert to fraction form
    7,072.08/10,609.48 = 2,689.19/x
  3. Step 3: Cross multiply
    7,072.08x = 10,609.48 × 2,689.19
  4. Step 4: Simplify right side
    7,072.08x = 28,530,907.52
  5. Step 5: Solve for x
    x = 28,530,907.52/7,072.08
  6. Step 6: Final answer
    x = 4,034.30

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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.