Home / 7,180.98-10,760.93-3,618.23

Finding the Fourth Proportional to 7,180.98, 10,760.93 and 3,618.23

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Solution

The fourth proportional to 7,180.98, 10,760.93 and 3,618.23 is: 5,422.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,180.98 : 10,760.93 = 3,618.23 : x
  2. Step 2: Convert to fraction form
    7,180.98/10,760.93 = 3,618.23/x
  3. Step 3: Cross multiply
    7,180.98x = 10,760.93 × 3,618.23
  4. Step 4: Simplify right side
    7,180.98x = 38,935,474.99
  5. Step 5: Solve for x
    x = 38,935,474.99/7,180.98
  6. Step 6: Final answer
    x = 5,422.03

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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.