Home / 7,984.08-11,970.57-3,539.34

Finding the Fourth Proportional to 7,984.08, 11,970.57 and 3,539.34

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Solution

The fourth proportional to 7,984.08, 11,970.57 and 3,539.34 is: 5,306.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,984.08 : 11,970.57 = 3,539.34 : x
  2. Step 2: Convert to fraction form
    7,984.08/11,970.57 = 3,539.34/x
  3. Step 3: Cross multiply
    7,984.08x = 11,970.57 × 3,539.34
  4. Step 4: Simplify right side
    7,984.08x = 42,367,917.22
  5. Step 5: Solve for x
    x = 42,367,917.22/7,984.08
  6. Step 6: Final answer
    x = 5,306.55

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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.