Home / 4,292.53-6,438.69-1,370.79

Finding the Fourth Proportional to 4,292.53, 6,438.69 and 1,370.79

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Solution

The fourth proportional to 4,292.53, 6,438.69 and 1,370.79 is: 2,056.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,292.53 : 6,438.69 = 1,370.79 : x
  2. Step 2: Convert to fraction form
    4,292.53/6,438.69 = 1,370.79/x
  3. Step 3: Cross multiply
    4,292.53x = 6,438.69 × 1,370.79
  4. Step 4: Simplify right side
    4,292.53x = 8,826,091.87
  5. Step 5: Solve for x
    x = 8,826,091.87/4,292.53
  6. Step 6: Final answer
    x = 2,056.15

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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.