Home / 7,072.54-10,609.35-2,142.58

Finding the Fourth Proportional to 7,072.54, 10,609.35 and 2,142.58

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Solution

The fourth proportional to 7,072.54, 10,609.35 and 2,142.58 is: 3,214.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,072.54 : 10,609.35 = 2,142.58 : x
  2. Step 2: Convert to fraction form
    7,072.54/10,609.35 = 2,142.58/x
  3. Step 3: Cross multiply
    7,072.54x = 10,609.35 × 2,142.58
  4. Step 4: Simplify right side
    7,072.54x = 22,731,328.08
  5. Step 5: Solve for x
    x = 22,731,328.08/7,072.54
  6. Step 6: Final answer
    x = 3,214.03

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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.