Home / 8,782.23-12,118.97-5,004.87

Finding the Fourth Proportional to 8,782.23, 12,118.97 and 5,004.87

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Solution

The fourth proportional to 8,782.23, 12,118.97 and 5,004.87 is: 6,906.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,782.23 : 12,118.97 = 5,004.87 : x
  2. Step 2: Convert to fraction form
    8,782.23/12,118.97 = 5,004.87/x
  3. Step 3: Cross multiply
    8,782.23x = 12,118.97 × 5,004.87
  4. Step 4: Simplify right side
    8,782.23x = 60,653,844.36
  5. Step 5: Solve for x
    x = 60,653,844.36/8,782.23
  6. Step 6: Final answer
    x = 6,906.43

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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.