Home / 7,740.63-11,609.43-2,192.64

Finding the Fourth Proportional to 7,740.63, 11,609.43 and 2,192.64

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Solution

The fourth proportional to 7,740.63, 11,609.43 and 2,192.64 is: 3,288.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,740.63 : 11,609.43 = 2,192.64 : x
  2. Step 2: Convert to fraction form
    7,740.63/11,609.43 = 2,192.64/x
  3. Step 3: Cross multiply
    7,740.63x = 11,609.43 × 2,192.64
  4. Step 4: Simplify right side
    7,740.63x = 25,455,248.84
  5. Step 5: Solve for x
    x = 25,455,248.84/7,740.63
  6. Step 6: Final answer
    x = 3,288.52

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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.