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Finding the Fourth Proportional to 7,863, 11,779.48 and 7,599.25

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Solution

The fourth proportional to 7,863, 11,779.48 and 7,599.25 is: 11,384.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,863 : 11,779.48 = 7,599.25 : x
  2. Step 2: Convert to fraction form
    7,863/11,779.48 = 7,599.25/x
  3. Step 3: Cross multiply
    7,863x = 11,779.48 × 7,599.25
  4. Step 4: Simplify right side
    7,863x = 89,515,213.39
  5. Step 5: Solve for x
    x = 89,515,213.39/7,863
  6. Step 6: Final answer
    x = 11,384.36

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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.