Home / 4,786.55-7,180.23-1,277.09

Finding the Fourth Proportional to 4,786.55, 7,180.23 and 1,277.09

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Solution

The fourth proportional to 4,786.55, 7,180.23 and 1,277.09 is: 1,915.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,786.55 : 7,180.23 = 1,277.09 : x
  2. Step 2: Convert to fraction form
    4,786.55/7,180.23 = 1,277.09/x
  3. Step 3: Cross multiply
    4,786.55x = 7,180.23 × 1,277.09
  4. Step 4: Simplify right side
    4,786.55x = 9,169,793.55
  5. Step 5: Solve for x
    x = 9,169,793.55/4,786.55
  6. Step 6: Final answer
    x = 1,915.74

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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.