Home / 6,742.56-10,116.24-3,457.20

Finding the Fourth Proportional to 6,742.56, 10,116.24 and 3,457.20

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Solution

The fourth proportional to 6,742.56, 10,116.24 and 3,457.20 is: 5,187.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,742.56 : 10,116.24 = 3,457.20 : x
  2. Step 2: Convert to fraction form
    6,742.56/10,116.24 = 3,457.20/x
  3. Step 3: Cross multiply
    6,742.56x = 10,116.24 × 3,457.20
  4. Step 4: Simplify right side
    6,742.56x = 34,973,864.93
  5. Step 5: Solve for x
    x = 34,973,864.93/6,742.56
  6. Step 6: Final answer
    x = 5,187.03

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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.