Home / 8,238.20-11,368.87-4,653.88

Finding the Fourth Proportional to 8,238.20, 11,368.87 and 4,653.88

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Solution

The fourth proportional to 8,238.20, 11,368.87 and 4,653.88 is: 6,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,238.20 : 11,368.87 = 4,653.88 : x
  2. Step 2: Convert to fraction form
    8,238.20/11,368.87 = 4,653.88/x
  3. Step 3: Cross multiply
    8,238.20x = 11,368.87 × 4,653.88
  4. Step 4: Simplify right side
    8,238.20x = 52,909,316.66
  5. Step 5: Solve for x
    x = 52,909,316.66/8,238.20
  6. Step 6: Final answer
    x = 6,422.44

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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.