Home / 4,320-5,961.84-2,457.12

Finding the Fourth Proportional to 4,320, 5,961.84 and 2,457.12

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Solution

The fourth proportional to 4,320, 5,961.84 and 2,457.12 is: 3,390.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,320 : 5,961.84 = 2,457.12 : x
  2. Step 2: Convert to fraction form
    4,320/5,961.84 = 2,457.12/x
  3. Step 3: Cross multiply
    4,320x = 5,961.84 × 2,457.12
  4. Step 4: Simplify right side
    4,320x = 14,648,956.30
  5. Step 5: Solve for x
    x = 14,648,956.30/4,320
  6. Step 6: Final answer
    x = 3,390.96

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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.