Home / 4,256.72-6,385.75-2,175.60

Finding the Fourth Proportional to 4,256.72, 6,385.75 and 2,175.60

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Solution

The fourth proportional to 4,256.72, 6,385.75 and 2,175.60 is: 3,263.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.72 : 6,385.75 = 2,175.60 : x
  2. Step 2: Convert to fraction form
    4,256.72/6,385.75 = 2,175.60/x
  3. Step 3: Cross multiply
    4,256.72x = 6,385.75 × 2,175.60
  4. Step 4: Simplify right side
    4,256.72x = 13,892,837.70
  5. Step 5: Solve for x
    x = 13,892,837.70/4,256.72
  6. Step 6: Final answer
    x = 3,263.74

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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.