Home / 7,540.03-10,405.86-4,396.42

Finding the Fourth Proportional to 7,540.03, 10,405.86 and 4,396.42

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Solution

The fourth proportional to 7,540.03, 10,405.86 and 4,396.42 is: 6,067.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,540.03 : 10,405.86 = 4,396.42 : x
  2. Step 2: Convert to fraction form
    7,540.03/10,405.86 = 4,396.42/x
  3. Step 3: Cross multiply
    7,540.03x = 10,405.86 × 4,396.42
  4. Step 4: Simplify right side
    7,540.03x = 45,748,531.02
  5. Step 5: Solve for x
    x = 45,748,531.02/7,540.03
  6. Step 6: Final answer
    x = 6,067.42

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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.