Home / 7,214.34-10,821.93-2,020.62

Finding the Fourth Proportional to 7,214.34, 10,821.93 and 2,020.62

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Solution

The fourth proportional to 7,214.34, 10,821.93 and 2,020.62 is: 3,031.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.34 : 10,821.93 = 2,020.62 : x
  2. Step 2: Convert to fraction form
    7,214.34/10,821.93 = 2,020.62/x
  3. Step 3: Cross multiply
    7,214.34x = 10,821.93 × 2,020.62
  4. Step 4: Simplify right side
    7,214.34x = 21,867,041.20
  5. Step 5: Solve for x
    x = 21,867,041.20/7,214.34
  6. Step 6: Final answer
    x = 3,031.05

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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.