Home / 7,824.10-11,733.70-2,628.76

Finding the Fourth Proportional to 7,824.10, 11,733.70 and 2,628.76

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Solution

The fourth proportional to 7,824.10, 11,733.70 and 2,628.76 is: 3,942.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.10 : 11,733.70 = 2,628.76 : x
  2. Step 2: Convert to fraction form
    7,824.10/11,733.70 = 2,628.76/x
  3. Step 3: Cross multiply
    7,824.10x = 11,733.70 × 2,628.76
  4. Step 4: Simplify right side
    7,824.10x = 30,845,081.21
  5. Step 5: Solve for x
    x = 30,845,081.21/7,824.10
  6. Step 6: Final answer
    x = 3,942.32

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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.