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Finding the Fourth Proportional to 5,751, 8,630.55 and 2,289.06

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Solution

The fourth proportional to 5,751, 8,630.55 and 2,289.06 is: 3,435.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,751 : 8,630.55 = 2,289.06 : x
  2. Step 2: Convert to fraction form
    5,751/8,630.55 = 2,289.06/x
  3. Step 3: Cross multiply
    5,751x = 8,630.55 × 2,289.06
  4. Step 4: Simplify right side
    5,751x = 19,755,846.78
  5. Step 5: Solve for x
    x = 19,755,846.78/5,751
  6. Step 6: Final answer
    x = 3,435.20

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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.