Home / 6,742.13-10,115.19-3,457.53

Finding the Fourth Proportional to 6,742.13, 10,115.19 and 3,457.53

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Solution

The fourth proportional to 6,742.13, 10,115.19 and 3,457.53 is: 5,187.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.13 : 10,115.19 = 3,457.53 : x
  2. Step 2: Convert to fraction form
    6,742.13/10,115.19 = 3,457.53/x
  3. Step 3: Cross multiply
    6,742.13x = 10,115.19 × 3,457.53
  4. Step 4: Simplify right side
    6,742.13x = 34,973,572.88
  5. Step 5: Solve for x
    x = 34,973,572.88/6,742.13
  6. Step 6: Final answer
    x = 5,187.32

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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.