Home / 7,841.68-10,821.36-4,304.96

Finding the Fourth Proportional to 7,841.68, 10,821.36 and 4,304.96

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Solution

The fourth proportional to 7,841.68, 10,821.36 and 4,304.96 is: 5,940.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,841.68 : 10,821.36 = 4,304.96 : x
  2. Step 2: Convert to fraction form
    7,841.68/10,821.36 = 4,304.96/x
  3. Step 3: Cross multiply
    7,841.68x = 10,821.36 × 4,304.96
  4. Step 4: Simplify right side
    7,841.68x = 46,585,521.95
  5. Step 5: Solve for x
    x = 46,585,521.95/7,841.68
  6. Step 6: Final answer
    x = 5,940.76

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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.