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Finding the Fourth Proportional to 5,809.68, 8,709.62 and 2,349.36

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Solution

The fourth proportional to 5,809.68, 8,709.62 and 2,349.36 is: 3,522.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,809.68 : 8,709.62 = 2,349.36 : x
  2. Step 2: Convert to fraction form
    5,809.68/8,709.62 = 2,349.36/x
  3. Step 3: Cross multiply
    5,809.68x = 8,709.62 × 2,349.36
  4. Step 4: Simplify right side
    5,809.68x = 20,462,021.10
  5. Step 5: Solve for x
    x = 20,462,021.10/5,809.68
  6. Step 6: Final answer
    x = 3,522.06

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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.