Home / 6,089.40-8,403.45-3,436.80

Finding the Fourth Proportional to 6,089.40, 8,403.45 and 3,436.80

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Solution

The fourth proportional to 6,089.40, 8,403.45 and 3,436.80 is: 4,742.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,089.40 : 8,403.45 = 3,436.80 : x
  2. Step 2: Convert to fraction form
    6,089.40/8,403.45 = 3,436.80/x
  3. Step 3: Cross multiply
    6,089.40x = 8,403.45 × 3,436.80
  4. Step 4: Simplify right side
    6,089.40x = 28,880,976.96
  5. Step 5: Solve for x
    x = 28,880,976.96/6,089.40
  6. Step 6: Final answer
    x = 4,742.83

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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.