Home / 7,297.50-10,939.76-2,679.42

Finding the Fourth Proportional to 7,297.50, 10,939.76 and 2,679.42

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Solution

The fourth proportional to 7,297.50, 10,939.76 and 2,679.42 is: 4,016.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,297.50 : 10,939.76 = 2,679.42 : x
  2. Step 2: Convert to fraction form
    7,297.50/10,939.76 = 2,679.42/x
  3. Step 3: Cross multiply
    7,297.50x = 10,939.76 × 2,679.42
  4. Step 4: Simplify right side
    7,297.50x = 29,312,211.74
  5. Step 5: Solve for x
    x = 29,312,211.74/7,297.50
  6. Step 6: Final answer
    x = 4,016.75

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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.