Home / 4,215.56-5,816.43-2,578.02

Finding the Fourth Proportional to 4,215.56, 5,816.43 and 2,578.02

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Solution

The fourth proportional to 4,215.56, 5,816.43 and 2,578.02 is: 3,557.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.56 : 5,816.43 = 2,578.02 : x
  2. Step 2: Convert to fraction form
    4,215.56/5,816.43 = 2,578.02/x
  3. Step 3: Cross multiply
    4,215.56x = 5,816.43 × 2,578.02
  4. Step 4: Simplify right side
    4,215.56x = 14,994,872.87
  5. Step 5: Solve for x
    x = 14,994,872.87/4,215.56
  6. Step 6: Final answer
    x = 3,557.03

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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.