Home / 7,618.29-11,426.04-3,457.30

Finding the Fourth Proportional to 7,618.29, 11,426.04 and 3,457.30

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Solution

The fourth proportional to 7,618.29, 11,426.04 and 3,457.30 is: 5,185.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,618.29 : 11,426.04 = 3,457.30 : x
  2. Step 2: Convert to fraction form
    7,618.29/11,426.04 = 3,457.30/x
  3. Step 3: Cross multiply
    7,618.29x = 11,426.04 × 3,457.30
  4. Step 4: Simplify right side
    7,618.29x = 39,503,248.09
  5. Step 5: Solve for x
    x = 39,503,248.09/7,618.29
  6. Step 6: Final answer
    x = 5,185.32

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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.