Home / 6,818.46-10,215.09-3,528.06

Finding the Fourth Proportional to 6,818.46, 10,215.09 and 3,528.06

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Solution

The fourth proportional to 6,818.46, 10,215.09 and 3,528.06 is: 5,285.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,818.46 : 10,215.09 = 3,528.06 : x
  2. Step 2: Convert to fraction form
    6,818.46/10,215.09 = 3,528.06/x
  3. Step 3: Cross multiply
    6,818.46x = 10,215.09 × 3,528.06
  4. Step 4: Simplify right side
    6,818.46x = 36,039,450.43
  5. Step 5: Solve for x
    x = 36,039,450.43/6,818.46
  6. Step 6: Final answer
    x = 5,285.57

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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.