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Finding the Fourth Proportional to 5,782.70, 8,677.50 and 2,495.79

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Solution

The fourth proportional to 5,782.70, 8,677.50 and 2,495.79 is: 3,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,782.70 : 8,677.50 = 2,495.79 : x
  2. Step 2: Convert to fraction form
    5,782.70/8,677.50 = 2,495.79/x
  3. Step 3: Cross multiply
    5,782.70x = 8,677.50 × 2,495.79
  4. Step 4: Simplify right side
    5,782.70x = 21,657,217.73
  5. Step 5: Solve for x
    x = 21,657,217.73/5,782.70
  6. Step 6: Final answer
    x = 3,745.18

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1.5x scale

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.