Home / 7,923.93-11,887.25-3,977.07

Finding the Fourth Proportional to 7,923.93, 11,887.25 and 3,977.07

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Solution

The fourth proportional to 7,923.93, 11,887.25 and 3,977.07 is: 5,966.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,923.93 : 11,887.25 = 3,977.07 : x
  2. Step 2: Convert to fraction form
    7,923.93/11,887.25 = 3,977.07/x
  3. Step 3: Cross multiply
    7,923.93x = 11,887.25 × 3,977.07
  4. Step 4: Simplify right side
    7,923.93x = 47,276,405.47
  5. Step 5: Solve for x
    x = 47,276,405.47/7,923.93
  6. Step 6: Final answer
    x = 5,966.28

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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.