Home / 6,136.89-8,470.00-3,618.84

Finding the Fourth Proportional to 6,136.89, 8,470.00 and 3,618.84

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Solution

The fourth proportional to 6,136.89, 8,470.00 and 3,618.84 is: 4,994.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,136.89 : 8,470.00 = 3,618.84 : x
  2. Step 2: Convert to fraction form
    6,136.89/8,470.00 = 3,618.84/x
  3. Step 3: Cross multiply
    6,136.89x = 8,470.00 × 3,618.84
  4. Step 4: Simplify right side
    6,136.89x = 30,651,611.09
  5. Step 5: Solve for x
    x = 30,651,611.09/6,136.89
  6. Step 6: Final answer
    x = 4,994.65

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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.