Home / 7,923.95-11,877.67-2,654.99

Finding the Fourth Proportional to 7,923.95, 11,877.67 and 2,654.99

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Solution

The fourth proportional to 7,923.95, 11,877.67 and 2,654.99 is: 3,979.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.95 : 11,877.67 = 2,654.99 : x
  2. Step 2: Convert to fraction form
    7,923.95/11,877.67 = 2,654.99/x
  3. Step 3: Cross multiply
    7,923.95x = 11,877.67 × 2,654.99
  4. Step 4: Simplify right side
    7,923.95x = 31,535,022.41
  5. Step 5: Solve for x
    x = 31,535,022.41/7,923.95
  6. Step 6: Final answer
    x = 3,979.71

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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.