Home / 4,756.97-7,136.60-1,425.50

Finding the Fourth Proportional to 4,756.97, 7,136.60 and 1,425.50

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Solution

The fourth proportional to 4,756.97, 7,136.60 and 1,425.50 is: 2,138.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,756.97 : 7,136.60 = 1,425.50 : x
  2. Step 2: Convert to fraction form
    4,756.97/7,136.60 = 1,425.50/x
  3. Step 3: Cross multiply
    4,756.97x = 7,136.60 × 1,425.50
  4. Step 4: Simplify right side
    4,756.97x = 10,173,223.30
  5. Step 5: Solve for x
    x = 10,173,223.30/4,756.97
  6. Step 6: Final answer
    x = 2,138.59

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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.