Home / 7,977.68-11,955.57-4,073.90

Finding the Fourth Proportional to 7,977.68, 11,955.57 and 4,073.90

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Solution

The fourth proportional to 7,977.68, 11,955.57 and 4,073.90 is: 6,105.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,977.68 : 11,955.57 = 4,073.90 : x
  2. Step 2: Convert to fraction form
    7,977.68/11,955.57 = 4,073.90/x
  3. Step 3: Cross multiply
    7,977.68x = 11,955.57 × 4,073.90
  4. Step 4: Simplify right side
    7,977.68x = 48,705,796.62
  5. Step 5: Solve for x
    x = 48,705,796.62/7,977.68
  6. Step 6: Final answer
    x = 6,105.26

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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.