Home / 4,473.20-6,163.80-3,148.40

Finding the Fourth Proportional to 4,473.20, 6,163.80 and 3,148.40

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Solution

The fourth proportional to 4,473.20, 6,163.80 and 3,148.40 is: 4,338.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,473.20 : 6,163.80 = 3,148.40 : x
  2. Step 2: Convert to fraction form
    4,473.20/6,163.80 = 3,148.40/x
  3. Step 3: Cross multiply
    4,473.20x = 6,163.80 × 3,148.40
  4. Step 4: Simplify right side
    4,473.20x = 19,406,107.92
  5. Step 5: Solve for x
    x = 19,406,107.92/4,473.20
  6. Step 6: Final answer
    x = 4,338.31

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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.