Home / 10,477.25-15,717.81-3,457.75

Finding the Fourth Proportional to 10,477.25, 15,717.81 and 3,457.75

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Solution

The fourth proportional to 10,477.25, 15,717.81 and 3,457.75 is: 5,187.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,477.25 : 15,717.81 = 3,457.75 : x
  2. Step 2: Convert to fraction form
    10,477.25/15,717.81 = 3,457.75/x
  3. Step 3: Cross multiply
    10,477.25x = 15,717.81 × 3,457.75
  4. Step 4: Simplify right side
    10,477.25x = 54,348,257.53
  5. Step 5: Solve for x
    x = 54,348,257.53/10,477.25
  6. Step 6: Final answer
    x = 5,187.26

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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.