Home / 4,245.18-6,365.70-2,490.75

Finding the Fourth Proportional to 4,245.18, 6,365.70 and 2,490.75

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Solution

The fourth proportional to 4,245.18, 6,365.70 and 2,490.75 is: 3,734.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,245.18 : 6,365.70 = 2,490.75 : x
  2. Step 2: Convert to fraction form
    4,245.18/6,365.70 = 2,490.75/x
  3. Step 3: Cross multiply
    4,245.18x = 6,365.70 × 2,490.75
  4. Step 4: Simplify right side
    4,245.18x = 15,855,367.28
  5. Step 5: Solve for x
    x = 15,855,367.28/4,245.18
  6. Step 6: Final answer
    x = 3,734.91

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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.