Home / 4,087.70-6,125.40-3,042.80

Finding the Fourth Proportional to 4,087.70, 6,125.40 and 3,042.80

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Solution

The fourth proportional to 4,087.70, 6,125.40 and 3,042.80 is: 4,559.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.70 : 6,125.40 = 3,042.80 : x
  2. Step 2: Convert to fraction form
    4,087.70/6,125.40 = 3,042.80/x
  3. Step 3: Cross multiply
    4,087.70x = 6,125.40 × 3,042.80
  4. Step 4: Simplify right side
    4,087.70x = 18,638,367.12
  5. Step 5: Solve for x
    x = 18,638,367.12/4,087.70
  6. Step 6: Final answer
    x = 4,559.62

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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.