Home / 7,941.78-11,903.49-4,430.97

Finding the Fourth Proportional to 7,941.78, 11,903.49 and 4,430.97

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Solution

The fourth proportional to 7,941.78, 11,903.49 and 4,430.97 is: 6,641.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,941.78 : 11,903.49 = 4,430.97 : x
  2. Step 2: Convert to fraction form
    7,941.78/11,903.49 = 4,430.97/x
  3. Step 3: Cross multiply
    7,941.78x = 11,903.49 × 4,430.97
  4. Step 4: Simplify right side
    7,941.78x = 52,744,007.09
  5. Step 5: Solve for x
    x = 52,744,007.09/7,941.78
  6. Step 6: Final answer
    x = 6,641.33

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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.