Home / 5,909.67-8,156.25-4,491.05

Finding the Fourth Proportional to 5,909.67, 8,156.25 and 4,491.05

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Solution

The fourth proportional to 5,909.67, 8,156.25 and 4,491.05 is: 6,198.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,909.67 : 8,156.25 = 4,491.05 : x
  2. Step 2: Convert to fraction form
    5,909.67/8,156.25 = 4,491.05/x
  3. Step 3: Cross multiply
    5,909.67x = 8,156.25 × 4,491.05
  4. Step 4: Simplify right side
    5,909.67x = 36,630,126.56
  5. Step 5: Solve for x
    x = 36,630,126.56/5,909.67
  6. Step 6: Final answer
    x = 6,198.34

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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.