Home / 9,786.43-13,505.30-5,807.44

Finding the Fourth Proportional to 9,786.43, 13,505.30 and 5,807.44

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Solution

The fourth proportional to 9,786.43, 13,505.30 and 5,807.44 is: 8,014.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,786.43 : 13,505.30 = 5,807.44 : x
  2. Step 2: Convert to fraction form
    9,786.43/13,505.30 = 5,807.44/x
  3. Step 3: Cross multiply
    9,786.43x = 13,505.30 × 5,807.44
  4. Step 4: Simplify right side
    9,786.43x = 78,431,219.43
  5. Step 5: Solve for x
    x = 78,431,219.43/9,786.43
  6. Step 6: Final answer
    x = 8,014.28

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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.