Home / 6,120.67-8,443.65-4,438.39

Finding the Fourth Proportional to 6,120.67, 8,443.65 and 4,438.39

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Solution

The fourth proportional to 6,120.67, 8,443.65 and 4,438.39 is: 6,122.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,120.67 : 8,443.65 = 4,438.39 : x
  2. Step 2: Convert to fraction form
    6,120.67/8,443.65 = 4,438.39/x
  3. Step 3: Cross multiply
    6,120.67x = 8,443.65 × 4,438.39
  4. Step 4: Simplify right side
    6,120.67x = 37,476,206.04
  5. Step 5: Solve for x
    x = 37,476,206.04/6,120.67
  6. Step 6: Final answer
    x = 6,122.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.