Home / 9,983.44-13,780.56-5,795.20

Finding the Fourth Proportional to 9,983.44, 13,780.56 and 5,795.20

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Solution

The fourth proportional to 9,983.44, 13,780.56 and 5,795.20 is: 7,999.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,983.44 : 13,780.56 = 5,795.20 : x
  2. Step 2: Convert to fraction form
    9,983.44/13,780.56 = 5,795.20/x
  3. Step 3: Cross multiply
    9,983.44x = 13,780.56 × 5,795.20
  4. Step 4: Simplify right side
    9,983.44x = 79,861,101.31
  5. Step 5: Solve for x
    x = 79,861,101.31/9,983.44
  6. Step 6: Final answer
    x = 7,999.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.