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Finding the Fourth Proportional to 5,829.38, 8,743.90 and 1,880.67

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Solution

The fourth proportional to 5,829.38, 8,743.90 and 1,880.67 is: 2,820.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,829.38 : 8,743.90 = 1,880.67 : x
  2. Step 2: Convert to fraction form
    5,829.38/8,743.90 = 1,880.67/x
  3. Step 3: Cross multiply
    5,829.38x = 8,743.90 × 1,880.67
  4. Step 4: Simplify right side
    5,829.38x = 16,444,372.84
  5. Step 5: Solve for x
    x = 16,444,372.84/5,829.38
  6. Step 6: Final answer
    x = 2,820.95

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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.