Home / 5,153.09-7,111.16-2,914.92

Finding the Fourth Proportional to 5,153.09, 7,111.16 and 2,914.92

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Solution

The fourth proportional to 5,153.09, 7,111.16 and 2,914.92 is: 4,022.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,153.09 : 7,111.16 = 2,914.92 : x
  2. Step 2: Convert to fraction form
    5,153.09/7,111.16 = 2,914.92/x
  3. Step 3: Cross multiply
    5,153.09x = 7,111.16 × 2,914.92
  4. Step 4: Simplify right side
    5,153.09x = 20,728,458.86
  5. Step 5: Solve for x
    x = 20,728,458.86/5,153.09
  6. Step 6: Final answer
    x = 4,022.53

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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.