Home / 4,399.40-6,599.85-1,626.08

Finding the Fourth Proportional to 4,399.40, 6,599.85 and 1,626.08

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Solution

The fourth proportional to 4,399.40, 6,599.85 and 1,626.08 is: 2,439.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,399.40 : 6,599.85 = 1,626.08 : x
  2. Step 2: Convert to fraction form
    4,399.40/6,599.85 = 1,626.08/x
  3. Step 3: Cross multiply
    4,399.40x = 6,599.85 × 1,626.08
  4. Step 4: Simplify right side
    4,399.40x = 10,731,900.68
  5. Step 5: Solve for x
    x = 10,731,900.68/4,399.40
  6. Step 6: Final answer
    x = 2,439.40

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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.