Home / 4,457.28-6,687.36-1,860.48

Finding the Fourth Proportional to 4,457.28, 6,687.36 and 1,860.48

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Solution

The fourth proportional to 4,457.28, 6,687.36 and 1,860.48 is: 2,791.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,457.28 : 6,687.36 = 1,860.48 : x
  2. Step 2: Convert to fraction form
    4,457.28/6,687.36 = 1,860.48/x
  3. Step 3: Cross multiply
    4,457.28x = 6,687.36 × 1,860.48
  4. Step 4: Simplify right side
    4,457.28x = 12,441,699.53
  5. Step 5: Solve for x
    x = 12,441,699.53/4,457.28
  6. Step 6: Final answer
    x = 2,791.32

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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.