Home / 4,056.80-6,085.20-3,406.40

Finding the Fourth Proportional to 4,056.80, 6,085.20 and 3,406.40

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Solution

The fourth proportional to 4,056.80, 6,085.20 and 3,406.40 is: 5,109.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,056.80 : 6,085.20 = 3,406.40 : x
  2. Step 2: Convert to fraction form
    4,056.80/6,085.20 = 3,406.40/x
  3. Step 3: Cross multiply
    4,056.80x = 6,085.20 × 3,406.40
  4. Step 4: Simplify right side
    4,056.80x = 20,728,625.28
  5. Step 5: Solve for x
    x = 20,728,625.28/4,056.80
  6. Step 6: Final answer
    x = 5,109.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.