Home / 4,072.07-5,618.16-2,558.18

Finding the Fourth Proportional to 4,072.07, 5,618.16 and 2,558.18

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Solution

The fourth proportional to 4,072.07, 5,618.16 and 2,558.18 is: 3,529.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,072.07 : 5,618.16 = 2,558.18 : x
  2. Step 2: Convert to fraction form
    4,072.07/5,618.16 = 2,558.18/x
  3. Step 3: Cross multiply
    4,072.07x = 5,618.16 × 2,558.18
  4. Step 4: Simplify right side
    4,072.07x = 14,372,278.59
  5. Step 5: Solve for x
    x = 14,372,278.59/4,072.07
  6. Step 6: Final answer
    x = 3,529.48

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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.