Home / 7,676.88-11,491.49-4,158.15

Finding the Fourth Proportional to 7,676.88, 11,491.49 and 4,158.15

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Solution

The fourth proportional to 7,676.88, 11,491.49 and 4,158.15 is: 6,224.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,676.88 : 11,491.49 = 4,158.15 : x
  2. Step 2: Convert to fraction form
    7,676.88/11,491.49 = 4,158.15/x
  3. Step 3: Cross multiply
    7,676.88x = 11,491.49 × 4,158.15
  4. Step 4: Simplify right side
    7,676.88x = 47,783,326.15
  5. Step 5: Solve for x
    x = 47,783,326.15/7,676.88
  6. Step 6: Final answer
    x = 6,224.31

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1.5x scale

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.