Home / 4,774.02-7,161.03-1,311.54

Finding the Fourth Proportional to 4,774.02, 7,161.03 and 1,311.54

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Solution

The fourth proportional to 4,774.02, 7,161.03 and 1,311.54 is: 1,967.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,774.02 : 7,161.03 = 1,311.54 : x
  2. Step 2: Convert to fraction form
    4,774.02/7,161.03 = 1,311.54/x
  3. Step 3: Cross multiply
    4,774.02x = 7,161.03 × 1,311.54
  4. Step 4: Simplify right side
    4,774.02x = 9,391,977.29
  5. Step 5: Solve for x
    x = 9,391,977.29/4,774.02
  6. Step 6: Final answer
    x = 1,967.31

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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.