Home / 4,256.79-5,871.73-2,487.75

Finding the Fourth Proportional to 4,256.79, 5,871.73 and 2,487.75

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Solution

The fourth proportional to 4,256.79, 5,871.73 and 2,487.75 is: 3,431.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.79 : 5,871.73 = 2,487.75 : x
  2. Step 2: Convert to fraction form
    4,256.79/5,871.73 = 2,487.75/x
  3. Step 3: Cross multiply
    4,256.79x = 5,871.73 × 2,487.75
  4. Step 4: Simplify right side
    4,256.79x = 14,607,396.31
  5. Step 5: Solve for x
    x = 14,607,396.31/4,256.79
  6. Step 6: Final answer
    x = 3,431.55

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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.