Home / 7,659.42-11,483.34-3,911.75

Finding the Fourth Proportional to 7,659.42, 11,483.34 and 3,911.75

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Solution

The fourth proportional to 7,659.42, 11,483.34 and 3,911.75 is: 5,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,659.42 : 11,483.34 = 3,911.75 : x
  2. Step 2: Convert to fraction form
    7,659.42/11,483.34 = 3,911.75/x
  3. Step 3: Cross multiply
    7,659.42x = 11,483.34 × 3,911.75
  4. Step 4: Simplify right side
    7,659.42x = 44,919,897.83
  5. Step 5: Solve for x
    x = 44,919,897.83/7,659.42
  6. Step 6: Final answer
    x = 5,864.66

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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.