Home / 7,739.84-11,609.62-2,474.81

Finding the Fourth Proportional to 7,739.84, 11,609.62 and 2,474.81

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Solution

The fourth proportional to 7,739.84, 11,609.62 and 2,474.81 is: 3,712.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,739.84 : 11,609.62 = 2,474.81 : x
  2. Step 2: Convert to fraction form
    7,739.84/11,609.62 = 2,474.81/x
  3. Step 3: Cross multiply
    7,739.84x = 11,609.62 × 2,474.81
  4. Step 4: Simplify right side
    7,739.84x = 28,731,603.67
  5. Step 5: Solve for x
    x = 28,731,603.67/7,739.84
  6. Step 6: Final answer
    x = 3,712.17

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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.