Home / 9,190.80-13,784.64-2,615.52

Finding the Fourth Proportional to 9,190.80, 13,784.64 and 2,615.52

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Solution

The fourth proportional to 9,190.80, 13,784.64 and 2,615.52 is: 3,922.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.80 : 13,784.64 = 2,615.52 : x
  2. Step 2: Convert to fraction form
    9,190.80/13,784.64 = 2,615.52/x
  3. Step 3: Cross multiply
    9,190.80x = 13,784.64 × 2,615.52
  4. Step 4: Simplify right side
    9,190.80x = 36,054,001.61
  5. Step 5: Solve for x
    x = 36,054,001.61/9,190.80
  6. Step 6: Final answer
    x = 3,922.84

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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.