Home / 7,992.40-11,967.08-5,212.18

Finding the Fourth Proportional to 7,992.40, 11,967.08 and 5,212.18

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Solution

The fourth proportional to 7,992.40, 11,967.08 and 5,212.18 is: 7,804.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.40 : 11,967.08 = 5,212.18 : x
  2. Step 2: Convert to fraction form
    7,992.40/11,967.08 = 5,212.18/x
  3. Step 3: Cross multiply
    7,992.40x = 11,967.08 × 5,212.18
  4. Step 4: Simplify right side
    7,992.40x = 62,374,575.03
  5. Step 5: Solve for x
    x = 62,374,575.03/7,992.40
  6. Step 6: Final answer
    x = 7,804.24

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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.