Home / 9,187.41-13,780.80-2,613.63

Finding the Fourth Proportional to 9,187.41, 13,780.80 and 2,613.63

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Solution

The fourth proportional to 9,187.41, 13,780.80 and 2,613.63 is: 3,920.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.41 : 13,780.80 = 2,613.63 : x
  2. Step 2: Convert to fraction form
    9,187.41/13,780.80 = 2,613.63/x
  3. Step 3: Cross multiply
    9,187.41x = 13,780.80 × 2,613.63
  4. Step 4: Simplify right side
    9,187.41x = 36,017,912.30
  5. Step 5: Solve for x
    x = 36,017,912.30/9,187.41
  6. Step 6: Final answer
    x = 3,920.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.