Home / 4,851.09-7,276.91-1,388.25

Finding the Fourth Proportional to 4,851.09, 7,276.91 and 1,388.25

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Solution

The fourth proportional to 4,851.09, 7,276.91 and 1,388.25 is: 2,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,851.09 : 7,276.91 = 1,388.25 : x
  2. Step 2: Convert to fraction form
    4,851.09/7,276.91 = 1,388.25/x
  3. Step 3: Cross multiply
    4,851.09x = 7,276.91 × 1,388.25
  4. Step 4: Simplify right side
    4,851.09x = 10,102,163.37
  5. Step 5: Solve for x
    x = 10,102,163.37/4,851.09
  6. Step 6: Final answer
    x = 2,082.45

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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.