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Finding the Fourth Proportional to 4,001.90, 6,000.15 and 1,922.90

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Solution

The fourth proportional to 4,001.90, 6,000.15 and 1,922.90 is: 2,883.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,001.90 : 6,000.15 = 1,922.90 : x
  2. Step 2: Convert to fraction form
    4,001.90/6,000.15 = 1,922.90/x
  3. Step 3: Cross multiply
    4,001.90x = 6,000.15 × 1,922.90
  4. Step 4: Simplify right side
    4,001.90x = 11,537,688.44
  5. Step 5: Solve for x
    x = 11,537,688.44/4,001.90
  6. Step 6: Final answer
    x = 2,883.05

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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.