Home / 7,539.26-11,311.09-3,378.34

Finding the Fourth Proportional to 7,539.26, 11,311.09 and 3,378.34

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Solution

The fourth proportional to 7,539.26, 11,311.09 and 3,378.34 is: 5,068.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.26 : 11,311.09 = 3,378.34 : x
  2. Step 2: Convert to fraction form
    7,539.26/11,311.09 = 3,378.34/x
  3. Step 3: Cross multiply
    7,539.26x = 11,311.09 × 3,378.34
  4. Step 4: Simplify right side
    7,539.26x = 38,212,707.79
  5. Step 5: Solve for x
    x = 38,212,707.79/7,539.26
  6. Step 6: Final answer
    x = 5,068.50

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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.