Home / 8,175.94-11,284.11-4,641.30

Finding the Fourth Proportional to 8,175.94, 11,284.11 and 4,641.30

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Solution

The fourth proportional to 8,175.94, 11,284.11 and 4,641.30 is: 6,405.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,175.94 : 11,284.11 = 4,641.30 : x
  2. Step 2: Convert to fraction form
    8,175.94/11,284.11 = 4,641.30/x
  3. Step 3: Cross multiply
    8,175.94x = 11,284.11 × 4,641.30
  4. Step 4: Simplify right side
    8,175.94x = 52,372,939.74
  5. Step 5: Solve for x
    x = 52,372,939.74/8,175.94
  6. Step 6: Final answer
    x = 6,405.74

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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.