Home / 4,325.82-6,489.18-1,860

Finding the Fourth Proportional to 4,325.82, 6,489.18 and 1,860

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Solution

The fourth proportional to 4,325.82, 6,489.18 and 1,860 is: 2,790.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,325.82 : 6,489.18 = 1,860 : x
  2. Step 2: Convert to fraction form
    4,325.82/6,489.18 = 1,860/x
  3. Step 3: Cross multiply
    4,325.82x = 6,489.18 × 1,860
  4. Step 4: Simplify right side
    4,325.82x = 12,069,874.80
  5. Step 5: Solve for x
    x = 12,069,874.80/4,325.82
  6. Step 6: Final answer
    x = 2,790.19

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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.