Home / 4,776.35-7,163.76-1,312.79

Finding the Fourth Proportional to 4,776.35, 7,163.76 and 1,312.79

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Solution

The fourth proportional to 4,776.35, 7,163.76 and 1,312.79 is: 1,968.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,776.35 : 7,163.76 = 1,312.79 : x
  2. Step 2: Convert to fraction form
    4,776.35/7,163.76 = 1,312.79/x
  3. Step 3: Cross multiply
    4,776.35x = 7,163.76 × 1,312.79
  4. Step 4: Simplify right side
    4,776.35x = 9,404,512.49
  5. Step 5: Solve for x
    x = 9,404,512.49/4,776.35
  6. Step 6: Final answer
    x = 1,968.97

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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.