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Finding the Fourth Proportional to 5,355.78, 8,033.98 and 2,068.89

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Solution

The fourth proportional to 5,355.78, 8,033.98 and 2,068.89 is: 3,103.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,355.78 : 8,033.98 = 2,068.89 : x
  2. Step 2: Convert to fraction form
    5,355.78/8,033.98 = 2,068.89/x
  3. Step 3: Cross multiply
    5,355.78x = 8,033.98 × 2,068.89
  4. Step 4: Simplify right side
    5,355.78x = 16,621,420.88
  5. Step 5: Solve for x
    x = 16,621,420.88/5,355.78
  6. Step 6: Final answer
    x = 3,103.45

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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.