Home / 7,170.42-10,756.18-1,976.26

Finding the Fourth Proportional to 7,170.42, 10,756.18 and 1,976.26

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Solution

The fourth proportional to 7,170.42, 10,756.18 and 1,976.26 is: 2,964.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,170.42 : 10,756.18 = 1,976.26 : x
  2. Step 2: Convert to fraction form
    7,170.42/10,756.18 = 1,976.26/x
  3. Step 3: Cross multiply
    7,170.42x = 10,756.18 × 1,976.26
  4. Step 4: Simplify right side
    7,170.42x = 21,257,008.29
  5. Step 5: Solve for x
    x = 21,257,008.29/7,170.42
  6. Step 6: Final answer
    x = 2,964.54

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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.