Home / 5,865.21-8,797.91-1,916.45

Finding the Fourth Proportional to 5,865.21, 8,797.91 and 1,916.45

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Solution

The fourth proportional to 5,865.21, 8,797.91 and 1,916.45 is: 2,874.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.21 : 8,797.91 = 1,916.45 : x
  2. Step 2: Convert to fraction form
    5,865.21/8,797.91 = 1,916.45/x
  3. Step 3: Cross multiply
    5,865.21x = 8,797.91 × 1,916.45
  4. Step 4: Simplify right side
    5,865.21x = 16,860,701.05
  5. Step 5: Solve for x
    x = 16,860,701.05/5,865.21
  6. Step 6: Final answer
    x = 2,874.70

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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.