Home / 7,405.20-11,103.60-3,017.52

Finding the Fourth Proportional to 7,405.20, 11,103.60 and 3,017.52

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Solution

The fourth proportional to 7,405.20, 11,103.60 and 3,017.52 is: 4,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,405.20 : 11,103.60 = 3,017.52 : x
  2. Step 2: Convert to fraction form
    7,405.20/11,103.60 = 3,017.52/x
  3. Step 3: Cross multiply
    7,405.20x = 11,103.60 × 3,017.52
  4. Step 4: Simplify right side
    7,405.20x = 33,505,335.07
  5. Step 5: Solve for x
    x = 33,505,335.07/7,405.20
  6. Step 6: Final answer
    x = 4,524.57

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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.