Home / 6,815.19-10,212.64-3,523.89

Finding the Fourth Proportional to 6,815.19, 10,212.64 and 3,523.89

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Solution

The fourth proportional to 6,815.19, 10,212.64 and 3,523.89 is: 5,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,815.19 : 10,212.64 = 3,523.89 : x
  2. Step 2: Convert to fraction form
    6,815.19/10,212.64 = 3,523.89/x
  3. Step 3: Cross multiply
    6,815.19x = 10,212.64 × 3,523.89
  4. Step 4: Simplify right side
    6,815.19x = 35,988,219.97
  5. Step 5: Solve for x
    x = 35,988,219.97/6,815.19
  6. Step 6: Final answer
    x = 5,280.59

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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.