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Finding the Fourth Proportional to 8,352.56, 11,500.30 and 7,091

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Solution

The fourth proportional to 8,352.56, 11,500.30 and 7,091 is: 9,763.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,352.56 : 11,500.30 = 7,091 : x
  2. Step 2: Convert to fraction form
    8,352.56/11,500.30 = 7,091/x
  3. Step 3: Cross multiply
    8,352.56x = 11,500.30 × 7,091
  4. Step 4: Simplify right side
    8,352.56x = 81,548,627.30
  5. Step 5: Solve for x
    x = 81,548,627.30/8,352.56
  6. Step 6: Final answer
    x = 9,763.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.