Home / 5,899.67-8,136.94-3,909.50

Finding the Fourth Proportional to 5,899.67, 8,136.94 and 3,909.50

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Solution

The fourth proportional to 5,899.67, 8,136.94 and 3,909.50 is: 5,392.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,899.67 : 8,136.94 = 3,909.50 : x
  2. Step 2: Convert to fraction form
    5,899.67/8,136.94 = 3,909.50/x
  3. Step 3: Cross multiply
    5,899.67x = 8,136.94 × 3,909.50
  4. Step 4: Simplify right side
    5,899.67x = 31,811,366.93
  5. Step 5: Solve for x
    x = 31,811,366.93/5,899.67
  6. Step 6: Final answer
    x = 5,392.06

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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.