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Finding the Fourth Proportional to 6,003.75, 9,005.84 and 1,621.32

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Solution

The fourth proportional to 6,003.75, 9,005.84 and 1,621.32 is: 2,432.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,003.75 : 9,005.84 = 1,621.32 : x
  2. Step 2: Convert to fraction form
    6,003.75/9,005.84 = 1,621.32/x
  3. Step 3: Cross multiply
    6,003.75x = 9,005.84 × 1,621.32
  4. Step 4: Simplify right side
    6,003.75x = 14,601,348.51
  5. Step 5: Solve for x
    x = 14,601,348.51/6,003.75
  6. Step 6: Final answer
    x = 2,432.04

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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.