Home / 4,439.36-6,657.90-1,318.63

Finding the Fourth Proportional to 4,439.36, 6,657.90 and 1,318.63

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Solution

The fourth proportional to 4,439.36, 6,657.90 and 1,318.63 is: 1,977.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,439.36 : 6,657.90 = 1,318.63 : x
  2. Step 2: Convert to fraction form
    4,439.36/6,657.90 = 1,318.63/x
  3. Step 3: Cross multiply
    4,439.36x = 6,657.90 × 1,318.63
  4. Step 4: Simplify right side
    4,439.36x = 8,779,306.68
  5. Step 5: Solve for x
    x = 8,779,306.68/4,439.36
  6. Step 6: Final answer
    x = 1,977.61

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.