Home / 7,457.18-11,186.26-2,525.13

Finding the Fourth Proportional to 7,457.18, 11,186.26 and 2,525.13

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Solution

The fourth proportional to 7,457.18, 11,186.26 and 2,525.13 is: 3,787.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,457.18 : 11,186.26 = 2,525.13 : x
  2. Step 2: Convert to fraction form
    7,457.18/11,186.26 = 2,525.13/x
  3. Step 3: Cross multiply
    7,457.18x = 11,186.26 × 2,525.13
  4. Step 4: Simplify right side
    7,457.18x = 28,246,754.40
  5. Step 5: Solve for x
    x = 28,246,754.40/7,457.18
  6. Step 6: Final answer
    x = 3,787.86

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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.