Home / 6,820.87-10,211.73-4,206.19

Finding the Fourth Proportional to 6,820.87, 10,211.73 and 4,206.19

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Solution

The fourth proportional to 6,820.87, 10,211.73 and 4,206.19 is: 6,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,820.87 : 10,211.73 = 4,206.19 : x
  2. Step 2: Convert to fraction form
    6,820.87/10,211.73 = 4,206.19/x
  3. Step 3: Cross multiply
    6,820.87x = 10,211.73 × 4,206.19
  4. Step 4: Simplify right side
    6,820.87x = 42,952,476.61
  5. Step 5: Solve for x
    x = 42,952,476.61/6,820.87
  6. Step 6: Final answer
    x = 6,297.21

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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.