Home / 7,929.33-11,894-2,085.93

Finding the Fourth Proportional to 7,929.33, 11,894 and 2,085.93

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Solution

The fourth proportional to 7,929.33, 11,894 and 2,085.93 is: 3,128.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.33 : 11,894 = 2,085.93 : x
  2. Step 2: Convert to fraction form
    7,929.33/11,894 = 2,085.93/x
  3. Step 3: Cross multiply
    7,929.33x = 11,894 × 2,085.93
  4. Step 4: Simplify right side
    7,929.33x = 24,810,051.42
  5. Step 5: Solve for x
    x = 24,810,051.42/7,929.33
  6. Step 6: Final answer
    x = 3,128.90

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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.