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Finding the Fourth Proportional to 5,497.89, 8,245.95 and 1,800.12

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Solution

The fourth proportional to 5,497.89, 8,245.95 and 1,800.12 is: 2,699.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,497.89 : 8,245.95 = 1,800.12 : x
  2. Step 2: Convert to fraction form
    5,497.89/8,245.95 = 1,800.12/x
  3. Step 3: Cross multiply
    5,497.89x = 8,245.95 × 1,800.12
  4. Step 4: Simplify right side
    5,497.89x = 14,843,699.51
  5. Step 5: Solve for x
    x = 14,843,699.51/5,497.89
  6. Step 6: Final answer
    x = 2,699.89

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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.