Home / 4,415.26-6,623.70-1,816.78

Finding the Fourth Proportional to 4,415.26, 6,623.70 and 1,816.78

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Solution

The fourth proportional to 4,415.26, 6,623.70 and 1,816.78 is: 2,725.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,415.26 : 6,623.70 = 1,816.78 : x
  2. Step 2: Convert to fraction form
    4,415.26/6,623.70 = 1,816.78/x
  3. Step 3: Cross multiply
    4,415.26x = 6,623.70 × 1,816.78
  4. Step 4: Simplify right side
    4,415.26x = 12,033,805.69
  5. Step 5: Solve for x
    x = 12,033,805.69/4,415.26
  6. Step 6: Final answer
    x = 2,725.50

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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.