Home / 9,764.83-13,474.50-5,457.12

Finding the Fourth Proportional to 9,764.83, 13,474.50 and 5,457.12

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Solution

The fourth proportional to 9,764.83, 13,474.50 and 5,457.12 is: 7,530.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.83 : 13,474.50 = 5,457.12 : x
  2. Step 2: Convert to fraction form
    9,764.83/13,474.50 = 5,457.12/x
  3. Step 3: Cross multiply
    9,764.83x = 13,474.50 × 5,457.12
  4. Step 4: Simplify right side
    9,764.83x = 73,531,968.24
  5. Step 5: Solve for x
    x = 73,531,968.24/9,764.83
  6. Step 6: Final answer
    x = 7,530.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.