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Finding the Fourth Proportional to 5,579.08, 7,699.74 and 3,564.35

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Solution

The fourth proportional to 5,579.08, 7,699.74 and 3,564.35 is: 4,919.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,579.08 : 7,699.74 = 3,564.35 : x
  2. Step 2: Convert to fraction form
    5,579.08/7,699.74 = 3,564.35/x
  3. Step 3: Cross multiply
    5,579.08x = 7,699.74 × 3,564.35
  4. Step 4: Simplify right side
    5,579.08x = 27,444,568.27
  5. Step 5: Solve for x
    x = 27,444,568.27/5,579.08
  6. Step 6: Final answer
    x = 4,919.19

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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.