Home / 4,295.20-6,431.28-2,561.44

Finding the Fourth Proportional to 4,295.20, 6,431.28 and 2,561.44

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Solution

The fourth proportional to 4,295.20, 6,431.28 and 2,561.44 is: 3,835.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,295.20 : 6,431.28 = 2,561.44 : x
  2. Step 2: Convert to fraction form
    4,295.20/6,431.28 = 2,561.44/x
  3. Step 3: Cross multiply
    4,295.20x = 6,431.28 × 2,561.44
  4. Step 4: Simplify right side
    4,295.20x = 16,473,337.84
  5. Step 5: Solve for x
    x = 16,473,337.84/4,295.20
  6. Step 6: Final answer
    x = 3,835.29

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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.