Home / 4,147.34-6,221.87-1,225.38

Finding the Fourth Proportional to 4,147.34, 6,221.87 and 1,225.38

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Solution

The fourth proportional to 4,147.34, 6,221.87 and 1,225.38 is: 1,838.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,147.34 : 6,221.87 = 1,225.38 : x
  2. Step 2: Convert to fraction form
    4,147.34/6,221.87 = 1,225.38/x
  3. Step 3: Cross multiply
    4,147.34x = 6,221.87 × 1,225.38
  4. Step 4: Simplify right side
    4,147.34x = 7,624,155.06
  5. Step 5: Solve for x
    x = 7,624,155.06/4,147.34
  6. Step 6: Final answer
    x = 1,838.32

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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.