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Finding the Fourth Proportional to 4,443.46, 6,659.43 and 1,807.90

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Solution

The fourth proportional to 4,443.46, 6,659.43 and 1,807.90 is: 2,709.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,443.46 : 6,659.43 = 1,807.90 : x
  2. Step 2: Convert to fraction form
    4,443.46/6,659.43 = 1,807.90/x
  3. Step 3: Cross multiply
    4,443.46x = 6,659.43 × 1,807.90
  4. Step 4: Simplify right side
    4,443.46x = 12,039,560.07
  5. Step 5: Solve for x
    x = 12,039,560.07/4,443.46
  6. Step 6: Final answer
    x = 2,709.50

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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.