Home / 7,847.34-11,771.04-2,656.86

Finding the Fourth Proportional to 7,847.34, 11,771.04 and 2,656.86

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Solution

The fourth proportional to 7,847.34, 11,771.04 and 2,656.86 is: 3,985.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.34 : 11,771.04 = 2,656.86 : x
  2. Step 2: Convert to fraction form
    7,847.34/11,771.04 = 2,656.86/x
  3. Step 3: Cross multiply
    7,847.34x = 11,771.04 × 2,656.86
  4. Step 4: Simplify right side
    7,847.34x = 31,274,005.33
  5. Step 5: Solve for x
    x = 31,274,005.33/7,847.34
  6. Step 6: Final answer
    x = 3,985.30

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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.