Home / 4,418.70-6,623.73-2,107.50

Finding the Fourth Proportional to 4,418.70, 6,623.73 and 2,107.50

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Solution

The fourth proportional to 4,418.70, 6,623.73 and 2,107.50 is: 3,159.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,418.70 : 6,623.73 = 2,107.50 : x
  2. Step 2: Convert to fraction form
    4,418.70/6,623.73 = 2,107.50/x
  3. Step 3: Cross multiply
    4,418.70x = 6,623.73 × 2,107.50
  4. Step 4: Simplify right side
    4,418.70x = 13,959,510.98
  5. Step 5: Solve for x
    x = 13,959,510.98/4,418.70
  6. Step 6: Final answer
    x = 3,159.19

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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.