Home / 8,418.24-11,619.72-4,882.32

Finding the Fourth Proportional to 8,418.24, 11,619.72 and 4,882.32

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Solution

The fourth proportional to 8,418.24, 11,619.72 and 4,882.32 is: 6,739.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,418.24 : 11,619.72 = 4,882.32 : x
  2. Step 2: Convert to fraction form
    8,418.24/11,619.72 = 4,882.32/x
  3. Step 3: Cross multiply
    8,418.24x = 11,619.72 × 4,882.32
  4. Step 4: Simplify right side
    8,418.24x = 56,731,191.35
  5. Step 5: Solve for x
    x = 56,731,191.35/8,418.24
  6. Step 6: Final answer
    x = 6,739.08

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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.