Home / 4,148.10-6,222.15-1,839.60

Finding the Fourth Proportional to 4,148.10, 6,222.15 and 1,839.60

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Solution

The fourth proportional to 4,148.10, 6,222.15 and 1,839.60 is: 2,759.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,148.10 : 6,222.15 = 1,839.60 : x
  2. Step 2: Convert to fraction form
    4,148.10/6,222.15 = 1,839.60/x
  3. Step 3: Cross multiply
    4,148.10x = 6,222.15 × 1,839.60
  4. Step 4: Simplify right side
    4,148.10x = 11,446,267.14
  5. Step 5: Solve for x
    x = 11,446,267.14/4,148.10
  6. Step 6: Final answer
    x = 2,759.40

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1.5x scale

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.