Home / 4,758.67-7,142.34-2,539.39

Finding the Fourth Proportional to 4,758.67, 7,142.34 and 2,539.39

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Solution

The fourth proportional to 4,758.67, 7,142.34 and 2,539.39 is: 3,811.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,758.67 : 7,142.34 = 2,539.39 : x
  2. Step 2: Convert to fraction form
    4,758.67/7,142.34 = 2,539.39/x
  3. Step 3: Cross multiply
    4,758.67x = 7,142.34 × 2,539.39
  4. Step 4: Simplify right side
    4,758.67x = 18,137,186.77
  5. Step 5: Solve for x
    x = 18,137,186.77/4,758.67
  6. Step 6: Final answer
    x = 3,811.40

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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.