Home / 4,515.30-6,772.05-2,175.30

Finding the Fourth Proportional to 4,515.30, 6,772.05 and 2,175.30

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Solution

The fourth proportional to 4,515.30, 6,772.05 and 2,175.30 is: 3,262.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.30 : 6,772.05 = 2,175.30 : x
  2. Step 2: Convert to fraction form
    4,515.30/6,772.05 = 2,175.30/x
  3. Step 3: Cross multiply
    4,515.30x = 6,772.05 × 2,175.30
  4. Step 4: Simplify right side
    4,515.30x = 14,731,240.37
  5. Step 5: Solve for x
    x = 14,731,240.37/4,515.30
  6. Step 6: Final answer
    x = 3,262.52

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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.