Home / 5,820.63-8,730.10-1,871.37

Finding the Fourth Proportional to 5,820.63, 8,730.10 and 1,871.37

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Solution

The fourth proportional to 5,820.63, 8,730.10 and 1,871.37 is: 2,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,820.63 : 8,730.10 = 1,871.37 : x
  2. Step 2: Convert to fraction form
    5,820.63/8,730.10 = 1,871.37/x
  3. Step 3: Cross multiply
    5,820.63x = 8,730.10 × 1,871.37
  4. Step 4: Simplify right side
    5,820.63x = 16,337,239.05
  5. Step 5: Solve for x
    x = 16,337,239.05/5,820.63
  6. Step 6: Final answer
    x = 2,806.78

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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.