Home / 4,257.72-6,385.14-2,615.04

Finding the Fourth Proportional to 4,257.72, 6,385.14 and 2,615.04

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Solution

The fourth proportional to 4,257.72, 6,385.14 and 2,615.04 is: 3,921.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,257.72 : 6,385.14 = 2,615.04 : x
  2. Step 2: Convert to fraction form
    4,257.72/6,385.14 = 2,615.04/x
  3. Step 3: Cross multiply
    4,257.72x = 6,385.14 × 2,615.04
  4. Step 4: Simplify right side
    4,257.72x = 16,697,396.51
  5. Step 5: Solve for x
    x = 16,697,396.51/4,257.72
  6. Step 6: Final answer
    x = 3,921.68

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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.