Home / 4,238.35-6,357.67-1,316.57

Finding the Fourth Proportional to 4,238.35, 6,357.67 and 1,316.57

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Solution

The fourth proportional to 4,238.35, 6,357.67 and 1,316.57 is: 1,974.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,238.35 : 6,357.67 = 1,316.57 : x
  2. Step 2: Convert to fraction form
    4,238.35/6,357.67 = 1,316.57/x
  3. Step 3: Cross multiply
    4,238.35x = 6,357.67 × 1,316.57
  4. Step 4: Simplify right side
    4,238.35x = 8,370,330.19
  5. Step 5: Solve for x
    x = 8,370,330.19/4,238.35
  6. Step 6: Final answer
    x = 1,974.90

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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.