Home / 6,878.26-10,305.91-6,622.30

Finding the Fourth Proportional to 6,878.26, 10,305.91 and 6,622.30

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Solution

The fourth proportional to 6,878.26, 10,305.91 and 6,622.30 is: 9,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,878.26 : 10,305.91 = 6,622.30 : x
  2. Step 2: Convert to fraction form
    6,878.26/10,305.91 = 6,622.30/x
  3. Step 3: Cross multiply
    6,878.26x = 10,305.91 × 6,622.30
  4. Step 4: Simplify right side
    6,878.26x = 68,248,827.79
  5. Step 5: Solve for x
    x = 68,248,827.79/6,878.26
  6. Step 6: Final answer
    x = 9,922.40

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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.