Home / 4,257.63-5,872.50-2,840.60

Finding the Fourth Proportional to 4,257.63, 5,872.50 and 2,840.60

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Solution

The fourth proportional to 4,257.63, 5,872.50 and 2,840.60 is: 3,918.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.63 : 5,872.50 = 2,840.60 : x
  2. Step 2: Convert to fraction form
    4,257.63/5,872.50 = 2,840.60/x
  3. Step 3: Cross multiply
    4,257.63x = 5,872.50 × 2,840.60
  4. Step 4: Simplify right side
    4,257.63x = 16,681,438.18
  5. Step 5: Solve for x
    x = 16,681,438.18/4,257.63
  6. Step 6: Final answer
    x = 3,918.01

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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.