Home / 4,256.82-5,875.20-2,487.78

Finding the Fourth Proportional to 4,256.82, 5,875.20 and 2,487.78

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Solution

The fourth proportional to 4,256.82, 5,875.20 and 2,487.78 is: 3,433.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.82 : 5,875.20 = 2,487.78 : x
  2. Step 2: Convert to fraction form
    4,256.82/5,875.20 = 2,487.78/x
  3. Step 3: Cross multiply
    4,256.82x = 5,875.20 × 2,487.78
  4. Step 4: Simplify right side
    4,256.82x = 14,616,205.06
  5. Step 5: Solve for x
    x = 14,616,205.06/4,256.82
  6. Step 6: Final answer
    x = 3,433.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.