Home / 8,176.98-11,284.48-4,640.34

Finding the Fourth Proportional to 8,176.98, 11,284.48 and 4,640.34

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Solution

The fourth proportional to 8,176.98, 11,284.48 and 4,640.34 is: 6,403.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,176.98 : 11,284.48 = 4,640.34 : x
  2. Step 2: Convert to fraction form
    8,176.98/11,284.48 = 4,640.34/x
  3. Step 3: Cross multiply
    8,176.98x = 11,284.48 × 4,640.34
  4. Step 4: Simplify right side
    8,176.98x = 52,363,823.92
  5. Step 5: Solve for x
    x = 52,363,823.92/8,176.98
  6. Step 6: Final answer
    x = 6,403.81

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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.