Home / 4,505.87-6,219.21-2,738.65

Finding the Fourth Proportional to 4,505.87, 6,219.21 and 2,738.65

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Solution

The fourth proportional to 4,505.87, 6,219.21 and 2,738.65 is: 3,780.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,505.87 : 6,219.21 = 2,738.65 : x
  2. Step 2: Convert to fraction form
    4,505.87/6,219.21 = 2,738.65/x
  3. Step 3: Cross multiply
    4,505.87x = 6,219.21 × 2,738.65
  4. Step 4: Simplify right side
    4,505.87x = 17,032,239.47
  5. Step 5: Solve for x
    x = 17,032,239.47/4,505.87
  6. Step 6: Final answer
    x = 3,780.01

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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.