Home / 8,239.29-11,367.50-4,653.75

Finding the Fourth Proportional to 8,239.29, 11,367.50 and 4,653.75

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Solution

The fourth proportional to 8,239.29, 11,367.50 and 4,653.75 is: 6,420.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.29 : 11,367.50 = 4,653.75 : x
  2. Step 2: Convert to fraction form
    8,239.29/11,367.50 = 4,653.75/x
  3. Step 3: Cross multiply
    8,239.29x = 11,367.50 × 4,653.75
  4. Step 4: Simplify right side
    8,239.29x = 52,901,555.21
  5. Step 5: Solve for x
    x = 52,901,555.21/8,239.29
  6. Step 6: Final answer
    x = 6,420.64

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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.