Home / 8,591.21-11,861.58-6,598.21

Finding the Fourth Proportional to 8,591.21, 11,861.58 and 6,598.21

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Solution

The fourth proportional to 8,591.21, 11,861.58 and 6,598.21 is: 9,109.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,591.21 : 11,861.58 = 6,598.21 : x
  2. Step 2: Convert to fraction form
    8,591.21/11,861.58 = 6,598.21/x
  3. Step 3: Cross multiply
    8,591.21x = 11,861.58 × 6,598.21
  4. Step 4: Simplify right side
    8,591.21x = 78,265,190.86
  5. Step 5: Solve for x
    x = 78,265,190.86/8,591.21
  6. Step 6: Final answer
    x = 9,109.91

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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.