Home / 4,167.52-6,255.36-1,977.75

Finding the Fourth Proportional to 4,167.52, 6,255.36 and 1,977.75

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Solution

The fourth proportional to 4,167.52, 6,255.36 and 1,977.75 is: 2,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,167.52 : 6,255.36 = 1,977.75 : x
  2. Step 2: Convert to fraction form
    4,167.52/6,255.36 = 1,977.75/x
  3. Step 3: Cross multiply
    4,167.52x = 6,255.36 × 1,977.75
  4. Step 4: Simplify right side
    4,167.52x = 12,371,538.24
  5. Step 5: Solve for x
    x = 12,371,538.24/4,167.52
  6. Step 6: Final answer
    x = 2,968.56

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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.