Home / 8,429.43-11,625.60-6,329.91

Finding the Fourth Proportional to 8,429.43, 11,625.60 and 6,329.91

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Solution

The fourth proportional to 8,429.43, 11,625.60 and 6,329.91 is: 8,730.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,429.43 : 11,625.60 = 6,329.91 : x
  2. Step 2: Convert to fraction form
    8,429.43/11,625.60 = 6,329.91/x
  3. Step 3: Cross multiply
    8,429.43x = 11,625.60 × 6,329.91
  4. Step 4: Simplify right side
    8,429.43x = 73,589,001.70
  5. Step 5: Solve for x
    x = 73,589,001.70/8,429.43
  6. Step 6: Final answer
    x = 8,730.01

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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.