Home / 7,356.29-10,151.75-3,999.11

Finding the Fourth Proportional to 7,356.29, 10,151.75 and 3,999.11

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Solution

The fourth proportional to 7,356.29, 10,151.75 and 3,999.11 is: 5,518.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,356.29 : 10,151.75 = 3,999.11 : x
  2. Step 2: Convert to fraction form
    7,356.29/10,151.75 = 3,999.11/x
  3. Step 3: Cross multiply
    7,356.29x = 10,151.75 × 3,999.11
  4. Step 4: Simplify right side
    7,356.29x = 40,597,954.94
  5. Step 5: Solve for x
    x = 40,597,954.94/7,356.29
  6. Step 6: Final answer
    x = 5,518.81

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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.