Home / 7,544.86-11,309.07-6,445.90

Finding the Fourth Proportional to 7,544.86, 11,309.07 and 6,445.90

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Solution

The fourth proportional to 7,544.86, 11,309.07 and 6,445.90 is: 9,661.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,544.86 : 11,309.07 = 6,445.90 : x
  2. Step 2: Convert to fraction form
    7,544.86/11,309.07 = 6,445.90/x
  3. Step 3: Cross multiply
    7,544.86x = 11,309.07 × 6,445.90
  4. Step 4: Simplify right side
    7,544.86x = 72,897,134.31
  5. Step 5: Solve for x
    x = 72,897,134.31/7,544.86
  6. Step 6: Final answer
    x = 9,661.83

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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.