Home / 7,884.14-11,780.44-5,971.73

Finding the Fourth Proportional to 7,884.14, 11,780.44 and 5,971.73

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Solution

The fourth proportional to 7,884.14, 11,780.44 and 5,971.73 is: 8,922.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,884.14 : 11,780.44 = 5,971.73 : x
  2. Step 2: Convert to fraction form
    7,884.14/11,780.44 = 5,971.73/x
  3. Step 3: Cross multiply
    7,884.14x = 11,780.44 × 5,971.73
  4. Step 4: Simplify right side
    7,884.14x = 70,349,533.13
  5. Step 5: Solve for x
    x = 70,349,533.13/7,884.14
  6. Step 6: Final answer
    x = 8,922.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.