Home / 7,704.49-11,557.35-2,774.63

Finding the Fourth Proportional to 7,704.49, 11,557.35 and 2,774.63

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Solution

The fourth proportional to 7,704.49, 11,557.35 and 2,774.63 is: 4,162.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,704.49 : 11,557.35 = 2,774.63 : x
  2. Step 2: Convert to fraction form
    7,704.49/11,557.35 = 2,774.63/x
  3. Step 3: Cross multiply
    7,704.49x = 11,557.35 × 2,774.63
  4. Step 4: Simplify right side
    7,704.49x = 32,067,370.03
  5. Step 5: Solve for x
    x = 32,067,370.03/7,704.49
  6. Step 6: Final answer
    x = 4,162.17

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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.