Home / 8,264.75-11,405.32-4,487.89

Finding the Fourth Proportional to 8,264.75, 11,405.32 and 4,487.89

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Solution

The fourth proportional to 8,264.75, 11,405.32 and 4,487.89 is: 6,193.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,264.75 : 11,405.32 = 4,487.89 : x
  2. Step 2: Convert to fraction form
    8,264.75/11,405.32 = 4,487.89/x
  3. Step 3: Cross multiply
    8,264.75x = 11,405.32 × 4,487.89
  4. Step 4: Simplify right side
    8,264.75x = 51,185,778.80
  5. Step 5: Solve for x
    x = 51,185,778.80/8,264.75
  6. Step 6: Final answer
    x = 6,193.26

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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.