Home / 5,474.61-8,198.75-3,127.50

Finding the Fourth Proportional to 5,474.61, 8,198.75 and 3,127.50

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Solution

The fourth proportional to 5,474.61, 8,198.75 and 3,127.50 is: 4,683.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,474.61 : 8,198.75 = 3,127.50 : x
  2. Step 2: Convert to fraction form
    5,474.61/8,198.75 = 3,127.50/x
  3. Step 3: Cross multiply
    5,474.61x = 8,198.75 × 3,127.50
  4. Step 4: Simplify right side
    5,474.61x = 25,641,574.99
  5. Step 5: Solve for x
    x = 25,641,574.99/5,474.61
  6. Step 6: Final answer
    x = 4,683.73

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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.