Home / 5,146.83-7,102.57-2,788.96

Finding the Fourth Proportional to 5,146.83, 7,102.57 and 2,788.96

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Solution

The fourth proportional to 5,146.83, 7,102.57 and 2,788.96 is: 3,848.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,146.83 : 7,102.57 = 2,788.96 : x
  2. Step 2: Convert to fraction form
    5,146.83/7,102.57 = 2,788.96/x
  3. Step 3: Cross multiply
    5,146.83x = 7,102.57 × 2,788.96
  4. Step 4: Simplify right side
    5,146.83x = 19,808,783.63
  5. Step 5: Solve for x
    x = 19,808,783.63/5,146.83
  6. Step 6: Final answer
    x = 3,848.73

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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.