Home / 7,751.09-10,696.79-4,214.57

Finding the Fourth Proportional to 7,751.09, 10,696.79 and 4,214.57

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Solution

The fourth proportional to 7,751.09, 10,696.79 and 4,214.57 is: 5,816.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,751.09 : 10,696.79 = 4,214.57 : x
  2. Step 2: Convert to fraction form
    7,751.09/10,696.79 = 4,214.57/x
  3. Step 3: Cross multiply
    7,751.09x = 10,696.79 × 4,214.57
  4. Step 4: Simplify right side
    7,751.09x = 45,082,327.28
  5. Step 5: Solve for x
    x = 45,082,327.28/7,751.09
  6. Step 6: Final answer
    x = 5,816.25

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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.