Home / 7,762.07-11,645.83-3,378.95

Finding the Fourth Proportional to 7,762.07, 11,645.83 and 3,378.95

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Solution

The fourth proportional to 7,762.07, 11,645.83 and 3,378.95 is: 5,069.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.07 : 11,645.83 = 3,378.95 : x
  2. Step 2: Convert to fraction form
    7,762.07/11,645.83 = 3,378.95/x
  3. Step 3: Cross multiply
    7,762.07x = 11,645.83 × 3,378.95
  4. Step 4: Simplify right side
    7,762.07x = 39,350,677.28
  5. Step 5: Solve for x
    x = 39,350,677.28/7,762.07
  6. Step 6: Final answer
    x = 5,069.61

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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.