Home / 7,575.88-11,369.34-4,291.72

Finding the Fourth Proportional to 7,575.88, 11,369.34 and 4,291.72

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Solution

The fourth proportional to 7,575.88, 11,369.34 and 4,291.72 is: 6,440.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,575.88 : 11,369.34 = 4,291.72 : x
  2. Step 2: Convert to fraction form
    7,575.88/11,369.34 = 4,291.72/x
  3. Step 3: Cross multiply
    7,575.88x = 11,369.34 × 4,291.72
  4. Step 4: Simplify right side
    7,575.88x = 48,794,023.86
  5. Step 5: Solve for x
    x = 48,794,023.86/7,575.88
  6. Step 6: Final answer
    x = 6,440.71

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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.