Home / 8,216.98-11,339.44-4,680.18

Finding the Fourth Proportional to 8,216.98, 11,339.44 and 4,680.18

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Solution

The fourth proportional to 8,216.98, 11,339.44 and 4,680.18 is: 6,458.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,216.98 : 11,339.44 = 4,680.18 : x
  2. Step 2: Convert to fraction form
    8,216.98/11,339.44 = 4,680.18/x
  3. Step 3: Cross multiply
    8,216.98x = 11,339.44 × 4,680.18
  4. Step 4: Simplify right side
    8,216.98x = 53,070,608.60
  5. Step 5: Solve for x
    x = 53,070,608.60/8,216.98
  6. Step 6: Final answer
    x = 6,458.65

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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.