Home / 4,578.75-6,318.69-2,810.34

Finding the Fourth Proportional to 4,578.75, 6,318.69 and 2,810.34

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Solution

The fourth proportional to 4,578.75, 6,318.69 and 2,810.34 is: 3,878.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,578.75 : 6,318.69 = 2,810.34 : x
  2. Step 2: Convert to fraction form
    4,578.75/6,318.69 = 2,810.34/x
  3. Step 3: Cross multiply
    4,578.75x = 6,318.69 × 2,810.34
  4. Step 4: Simplify right side
    4,578.75x = 17,757,667.25
  5. Step 5: Solve for x
    x = 17,757,667.25/4,578.75
  6. Step 6: Final answer
    x = 3,878.28

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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.