Home / 7,923.50-11,883.36-2,658.70

Finding the Fourth Proportional to 7,923.50, 11,883.36 and 2,658.70

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Solution

The fourth proportional to 7,923.50, 11,883.36 and 2,658.70 is: 3,987.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.50 : 11,883.36 = 2,658.70 : x
  2. Step 2: Convert to fraction form
    7,923.50/11,883.36 = 2,658.70/x
  3. Step 3: Cross multiply
    7,923.50x = 11,883.36 × 2,658.70
  4. Step 4: Simplify right side
    7,923.50x = 31,594,289.23
  5. Step 5: Solve for x
    x = 31,594,289.23/7,923.50
  6. Step 6: Final answer
    x = 3,987.42

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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.