Home / 7,539.50-11,314.12-2,922.50

Finding the Fourth Proportional to 7,539.50, 11,314.12 and 2,922.50

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Solution

The fourth proportional to 7,539.50, 11,314.12 and 2,922.50 is: 4,385.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,539.50 : 11,314.12 = 2,922.50 : x
  2. Step 2: Convert to fraction form
    7,539.50/11,314.12 = 2,922.50/x
  3. Step 3: Cross multiply
    7,539.50x = 11,314.12 × 2,922.50
  4. Step 4: Simplify right side
    7,539.50x = 33,065,515.70
  5. Step 5: Solve for x
    x = 33,065,515.70/7,539.50
  6. Step 6: Final answer
    x = 4,385.64

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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.