Home / 8,342.58-11,515.33-4,808.15

Finding the Fourth Proportional to 8,342.58, 11,515.33 and 4,808.15

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Solution

The fourth proportional to 8,342.58, 11,515.33 and 4,808.15 is: 6,636.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,342.58 : 11,515.33 = 4,808.15 : x
  2. Step 2: Convert to fraction form
    8,342.58/11,515.33 = 4,808.15/x
  3. Step 3: Cross multiply
    8,342.58x = 11,515.33 × 4,808.15
  4. Step 4: Simplify right side
    8,342.58x = 55,367,433.94
  5. Step 5: Solve for x
    x = 55,367,433.94/8,342.58
  6. Step 6: Final answer
    x = 6,636.73

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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.