Home / 7,841.87-10,821.96-4,305.14

Finding the Fourth Proportional to 7,841.87, 10,821.96 and 4,305.14

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Solution

The fourth proportional to 7,841.87, 10,821.96 and 4,305.14 is: 5,941.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.87 : 10,821.96 = 4,305.14 : x
  2. Step 2: Convert to fraction form
    7,841.87/10,821.96 = 4,305.14/x
  3. Step 3: Cross multiply
    7,841.87x = 10,821.96 × 4,305.14
  4. Step 4: Simplify right side
    7,841.87x = 46,589,998.76
  5. Step 5: Solve for x
    x = 46,589,998.76/7,841.87
  6. Step 6: Final answer
    x = 5,941.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.