Home / 7,705.34-11,559.74-2,775

Finding the Fourth Proportional to 7,705.34, 11,559.74 and 2,775

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Solution

The fourth proportional to 7,705.34, 11,559.74 and 2,775 is: 4,163.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,705.34 : 11,559.74 = 2,775 : x
  2. Step 2: Convert to fraction form
    7,705.34/11,559.74 = 2,775/x
  3. Step 3: Cross multiply
    7,705.34x = 11,559.74 × 2,775
  4. Step 4: Simplify right side
    7,705.34x = 32,078,278.50
  5. Step 5: Solve for x
    x = 32,078,278.50/7,705.34
  6. Step 6: Final answer
    x = 4,163.12

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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.