Home / 4,427.40-6,639.60-1,505.04

Finding the Fourth Proportional to 4,427.40, 6,639.60 and 1,505.04

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Solution

The fourth proportional to 4,427.40, 6,639.60 and 1,505.04 is: 2,257.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,427.40 : 6,639.60 = 1,505.04 : x
  2. Step 2: Convert to fraction form
    4,427.40/6,639.60 = 1,505.04/x
  3. Step 3: Cross multiply
    4,427.40x = 6,639.60 × 1,505.04
  4. Step 4: Simplify right side
    4,427.40x = 9,992,863.58
  5. Step 5: Solve for x
    x = 9,992,863.58/4,427.40
  6. Step 6: Final answer
    x = 2,257.05

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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.