Home / 7,214.12-10,821.12-4,095.56

Finding the Fourth Proportional to 7,214.12, 10,821.12 and 4,095.56

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Solution

The fourth proportional to 7,214.12, 10,821.12 and 4,095.56 is: 6,143.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,214.12 : 10,821.12 = 4,095.56 : x
  2. Step 2: Convert to fraction form
    7,214.12/10,821.12 = 4,095.56/x
  3. Step 3: Cross multiply
    7,214.12x = 10,821.12 × 4,095.56
  4. Step 4: Simplify right side
    7,214.12x = 44,318,546.23
  5. Step 5: Solve for x
    x = 44,318,546.23/7,214.12
  6. Step 6: Final answer
    x = 6,143.31

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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.