Home / 4,454.80-6,678.55-1,679.89

Finding the Fourth Proportional to 4,454.80, 6,678.55 and 1,679.89

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Solution

The fourth proportional to 4,454.80, 6,678.55 and 1,679.89 is: 2,518.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,454.80 : 6,678.55 = 1,679.89 : x
  2. Step 2: Convert to fraction form
    4,454.80/6,678.55 = 1,679.89/x
  3. Step 3: Cross multiply
    4,454.80x = 6,678.55 × 1,679.89
  4. Step 4: Simplify right side
    4,454.80x = 11,219,227.29
  5. Step 5: Solve for x
    x = 11,219,227.29/4,454.80
  6. Step 6: Final answer
    x = 2,518.46

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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.