Home / 4,751.49-7,130.30-2,561.75

Finding the Fourth Proportional to 4,751.49, 7,130.30 and 2,561.75

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Solution

The fourth proportional to 4,751.49, 7,130.30 and 2,561.75 is: 3,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,751.49 : 7,130.30 = 2,561.75 : x
  2. Step 2: Convert to fraction form
    4,751.49/7,130.30 = 2,561.75/x
  3. Step 3: Cross multiply
    4,751.49x = 7,130.30 × 2,561.75
  4. Step 4: Simplify right side
    4,751.49x = 18,265,997.56
  5. Step 5: Solve for x
    x = 18,265,997.56/4,751.49
  6. Step 6: Final answer
    x = 3,844.27

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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.