Home / 5,192.48-7,790.88-2,728.16

Finding the Fourth Proportional to 5,192.48, 7,790.88 and 2,728.16

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Solution

The fourth proportional to 5,192.48, 7,790.88 and 2,728.16 is: 4,093.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.48 : 7,790.88 = 2,728.16 : x
  2. Step 2: Convert to fraction form
    5,192.48/7,790.88 = 2,728.16/x
  3. Step 3: Cross multiply
    5,192.48x = 7,790.88 × 2,728.16
  4. Step 4: Simplify right side
    5,192.48x = 21,254,767.18
  5. Step 5: Solve for x
    x = 21,254,767.18/5,192.48
  6. Step 6: Final answer
    x = 4,093.37

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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.