Home / 5,251.80-7,241.64-3,574.20

Finding the Fourth Proportional to 5,251.80, 7,241.64 and 3,574.20

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Solution

The fourth proportional to 5,251.80, 7,241.64 and 3,574.20 is: 4,928.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,251.80 : 7,241.64 = 3,574.20 : x
  2. Step 2: Convert to fraction form
    5,251.80/7,241.64 = 3,574.20/x
  3. Step 3: Cross multiply
    5,251.80x = 7,241.64 × 3,574.20
  4. Step 4: Simplify right side
    5,251.80x = 25,883,069.69
  5. Step 5: Solve for x
    x = 25,883,069.69/5,251.80
  6. Step 6: Final answer
    x = 4,928.42

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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.