Home / 4,650.80-6,418.32-2,660.84

Finding the Fourth Proportional to 4,650.80, 6,418.32 and 2,660.84

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Solution

The fourth proportional to 4,650.80, 6,418.32 and 2,660.84 is: 3,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,650.80 : 6,418.32 = 2,660.84 : x
  2. Step 2: Convert to fraction form
    4,650.80/6,418.32 = 2,660.84/x
  3. Step 3: Cross multiply
    4,650.80x = 6,418.32 × 2,660.84
  4. Step 4: Simplify right side
    4,650.80x = 17,078,122.59
  5. Step 5: Solve for x
    x = 17,078,122.59/4,650.80
  6. Step 6: Final answer
    x = 3,672.08

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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.