Home / 6,370.84-8,790.78-3,538.18

Finding the Fourth Proportional to 6,370.84, 8,790.78 and 3,538.18

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Solution

The fourth proportional to 6,370.84, 8,790.78 and 3,538.18 is: 4,882.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,370.84 : 8,790.78 = 3,538.18 : x
  2. Step 2: Convert to fraction form
    6,370.84/8,790.78 = 3,538.18/x
  3. Step 3: Cross multiply
    6,370.84x = 8,790.78 × 3,538.18
  4. Step 4: Simplify right side
    6,370.84x = 31,103,361.98
  5. Step 5: Solve for x
    x = 31,103,361.98/6,370.84
  6. Step 6: Final answer
    x = 4,882.14

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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.