Home / 7,845.28-10,826.68-4,308.57

Finding the Fourth Proportional to 7,845.28, 10,826.68 and 4,308.57

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Solution

The fourth proportional to 7,845.28, 10,826.68 and 4,308.57 is: 5,945.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,845.28 : 10,826.68 = 4,308.57 : x
  2. Step 2: Convert to fraction form
    7,845.28/10,826.68 = 4,308.57/x
  3. Step 3: Cross multiply
    7,845.28x = 10,826.68 × 4,308.57
  4. Step 4: Simplify right side
    7,845.28x = 46,647,457.33
  5. Step 5: Solve for x
    x = 46,647,457.33/7,845.28
  6. Step 6: Final answer
    x = 5,945.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.