Home / 8,621.26-11,895.33-6,259.30

Finding the Fourth Proportional to 8,621.26, 11,895.33 and 6,259.30

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Solution

The fourth proportional to 8,621.26, 11,895.33 and 6,259.30 is: 8,636.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.26 : 11,895.33 = 6,259.30 : x
  2. Step 2: Convert to fraction form
    8,621.26/11,895.33 = 6,259.30/x
  3. Step 3: Cross multiply
    8,621.26x = 11,895.33 × 6,259.30
  4. Step 4: Simplify right side
    8,621.26x = 74,456,439.07
  5. Step 5: Solve for x
    x = 74,456,439.07/8,621.26
  6. Step 6: Final answer
    x = 8,636.38

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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.