Home / 5,336.93-8,005.40-1,639.19

Finding the Fourth Proportional to 5,336.93, 8,005.40 and 1,639.19

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Solution

The fourth proportional to 5,336.93, 8,005.40 and 1,639.19 is: 2,458.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,336.93 : 8,005.40 = 1,639.19 : x
  2. Step 2: Convert to fraction form
    5,336.93/8,005.40 = 1,639.19/x
  3. Step 3: Cross multiply
    5,336.93x = 8,005.40 × 1,639.19
  4. Step 4: Simplify right side
    5,336.93x = 13,122,323.40
  5. Step 5: Solve for x
    x = 13,122,323.40/5,336.93
  6. Step 6: Final answer
    x = 2,458.78

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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.