Home / 6,228.63-8,592.93-3,990.02

Finding the Fourth Proportional to 6,228.63, 8,592.93 and 3,990.02

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Solution

The fourth proportional to 6,228.63, 8,592.93 and 3,990.02 is: 5,504.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,228.63 : 8,592.93 = 3,990.02 : x
  2. Step 2: Convert to fraction form
    6,228.63/8,592.93 = 3,990.02/x
  3. Step 3: Cross multiply
    6,228.63x = 8,592.93 × 3,990.02
  4. Step 4: Simplify right side
    6,228.63x = 34,285,919.59
  5. Step 5: Solve for x
    x = 34,285,919.59/6,228.63
  6. Step 6: Final answer
    x = 5,504.57

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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.