Home / 4,215.18-6,310.26-3,124.44

Finding the Fourth Proportional to 4,215.18, 6,310.26 and 3,124.44

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Solution

The fourth proportional to 4,215.18, 6,310.26 and 3,124.44 is: 4,677.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,215.18 : 6,310.26 = 3,124.44 : x
  2. Step 2: Convert to fraction form
    4,215.18/6,310.26 = 3,124.44/x
  3. Step 3: Cross multiply
    4,215.18x = 6,310.26 × 3,124.44
  4. Step 4: Simplify right side
    4,215.18x = 19,716,028.75
  5. Step 5: Solve for x
    x = 19,716,028.75/4,215.18
  6. Step 6: Final answer
    x = 4,677.39

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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.