Home / 5,127.75-7,075.53-3,003.48

Finding the Fourth Proportional to 5,127.75, 7,075.53 and 3,003.48

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Solution

The fourth proportional to 5,127.75, 7,075.53 and 3,003.48 is: 4,144.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,127.75 : 7,075.53 = 3,003.48 : x
  2. Step 2: Convert to fraction form
    5,127.75/7,075.53 = 3,003.48/x
  3. Step 3: Cross multiply
    5,127.75x = 7,075.53 × 3,003.48
  4. Step 4: Simplify right side
    5,127.75x = 21,251,212.84
  5. Step 5: Solve for x
    x = 21,251,212.84/5,127.75
  6. Step 6: Final answer
    x = 4,144.35

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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.