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Finding the Fourth Proportional to 4,000.08, 6,000.08 and 2,051.20

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Solution

The fourth proportional to 4,000.08, 6,000.08 and 2,051.20 is: 3,076.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,000.08 : 6,000.08 = 2,051.20 : x
  2. Step 2: Convert to fraction form
    4,000.08/6,000.08 = 2,051.20/x
  3. Step 3: Cross multiply
    4,000.08x = 6,000.08 × 2,051.20
  4. Step 4: Simplify right side
    4,000.08x = 12,307,364.10
  5. Step 5: Solve for x
    x = 12,307,364.10/4,000.08
  6. Step 6: Final answer
    x = 3,076.78

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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.