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Finding the Fourth Proportional to 4,000.33, 6,000.48 and 1,078.93

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Solution

The fourth proportional to 4,000.33, 6,000.48 and 1,078.93 is: 1,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.33 : 6,000.48 = 1,078.93 : x
  2. Step 2: Convert to fraction form
    4,000.33/6,000.48 = 1,078.93/x
  3. Step 3: Cross multiply
    4,000.33x = 6,000.48 × 1,078.93
  4. Step 4: Simplify right side
    4,000.33x = 6,474,097.89
  5. Step 5: Solve for x
    x = 6,474,097.89/4,000.33
  6. Step 6: Final answer
    x = 1,618.39

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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.