Home / 4,678.88-7,028.55-3,454.16

Finding the Fourth Proportional to 4,678.88, 7,028.55 and 3,454.16

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Solution

The fourth proportional to 4,678.88, 7,028.55 and 3,454.16 is: 5,188.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,678.88 : 7,028.55 = 3,454.16 : x
  2. Step 2: Convert to fraction form
    4,678.88/7,028.55 = 3,454.16/x
  3. Step 3: Cross multiply
    4,678.88x = 7,028.55 × 3,454.16
  4. Step 4: Simplify right side
    4,678.88x = 24,277,701.13
  5. Step 5: Solve for x
    x = 24,277,701.13/4,678.88
  6. Step 6: Final answer
    x = 5,188.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.