Home / 6,815.28-10,222.95-2,071.48

Finding the Fourth Proportional to 6,815.28, 10,222.95 and 2,071.48

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Solution

The fourth proportional to 6,815.28, 10,222.95 and 2,071.48 is: 3,107.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.28 : 10,222.95 = 2,071.48 : x
  2. Step 2: Convert to fraction form
    6,815.28/10,222.95 = 2,071.48/x
  3. Step 3: Cross multiply
    6,815.28x = 10,222.95 × 2,071.48
  4. Step 4: Simplify right side
    6,815.28x = 21,176,636.47
  5. Step 5: Solve for x
    x = 21,176,636.47/6,815.28
  6. Step 6: Final answer
    x = 3,107.23

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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.