Home / 7,727.58-11,590.33-2,181.37

Finding the Fourth Proportional to 7,727.58, 11,590.33 and 2,181.37

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Solution

The fourth proportional to 7,727.58, 11,590.33 and 2,181.37 is: 3,271.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,727.58 : 11,590.33 = 2,181.37 : x
  2. Step 2: Convert to fraction form
    7,727.58/11,590.33 = 2,181.37/x
  3. Step 3: Cross multiply
    7,727.58x = 11,590.33 × 2,181.37
  4. Step 4: Simplify right side
    7,727.58x = 25,282,798.15
  5. Step 5: Solve for x
    x = 25,282,798.15/7,727.58
  6. Step 6: Final answer
    x = 3,271.76

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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.