Home / 5,146.70-7,102.44-2,788.83

Finding the Fourth Proportional to 5,146.70, 7,102.44 and 2,788.83

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Solution

The fourth proportional to 5,146.70, 7,102.44 and 2,788.83 is: 3,848.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.70 : 7,102.44 = 2,788.83 : x
  2. Step 2: Convert to fraction form
    5,146.70/7,102.44 = 2,788.83/x
  3. Step 3: Cross multiply
    5,146.70x = 7,102.44 × 2,788.83
  4. Step 4: Simplify right side
    5,146.70x = 19,807,497.75
  5. Step 5: Solve for x
    x = 19,807,497.75/5,146.70
  6. Step 6: Final answer
    x = 3,848.59

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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.