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Finding the Fourth Proportional to 5,799.36, 8,699.60 and 1,639.51

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Solution

The fourth proportional to 5,799.36, 8,699.60 and 1,639.51 is: 2,459.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,799.36 : 8,699.60 = 1,639.51 : x
  2. Step 2: Convert to fraction form
    5,799.36/8,699.60 = 1,639.51/x
  3. Step 3: Cross multiply
    5,799.36x = 8,699.60 × 1,639.51
  4. Step 4: Simplify right side
    5,799.36x = 14,263,063.55
  5. Step 5: Solve for x
    x = 14,263,063.55/5,799.36
  6. Step 6: Final answer
    x = 2,459.42

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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.