Home / 7,841.46-10,821.14-4,304.64

Finding the Fourth Proportional to 7,841.46, 10,821.14 and 4,304.64

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Solution

The fourth proportional to 7,841.46, 10,821.14 and 4,304.64 is: 5,940.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.46 : 10,821.14 = 4,304.64 : x
  2. Step 2: Convert to fraction form
    7,841.46/10,821.14 = 4,304.64/x
  3. Step 3: Cross multiply
    7,841.46x = 10,821.14 × 4,304.64
  4. Step 4: Simplify right side
    7,841.46x = 46,581,112.09
  5. Step 5: Solve for x
    x = 46,581,112.09/7,841.46
  6. Step 6: Final answer
    x = 5,940.36

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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.