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Finding the Fourth Proportional to 5,929.61, 8,183.84 and 3,572.10

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Solution

The fourth proportional to 5,929.61, 8,183.84 and 3,572.10 is: 4,930.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,929.61 : 8,183.84 = 3,572.10 : x
  2. Step 2: Convert to fraction form
    5,929.61/8,183.84 = 3,572.10/x
  3. Step 3: Cross multiply
    5,929.61x = 8,183.84 × 3,572.10
  4. Step 4: Simplify right side
    5,929.61x = 29,233,477.00
  5. Step 5: Solve for x
    x = 29,233,477.00/5,929.61
  6. Step 6: Final answer
    x = 4,930.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.