Home / 3,868.94-5,332.86-3,075.47

Finding the Fourth Proportional to 3,868.94, 5,332.86 and 3,075.47

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Solution

The fourth proportional to 3,868.94, 5,332.86 and 3,075.47 is: 4,239.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,868.94 : 5,332.86 = 3,075.47 : x
  2. Step 2: Convert to fraction form
    3,868.94/5,332.86 = 3,075.47/x
  3. Step 3: Cross multiply
    3,868.94x = 5,332.86 × 3,075.47
  4. Step 4: Simplify right side
    3,868.94x = 16,401,052.93
  5. Step 5: Solve for x
    x = 16,401,052.93/3,868.94
  6. Step 6: Final answer
    x = 4,239.16

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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.