Home / 7,638.14-11,457.48-3,741.50

Finding the Fourth Proportional to 7,638.14, 11,457.48 and 3,741.50

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Solution

The fourth proportional to 7,638.14, 11,457.48 and 3,741.50 is: 5,612.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,638.14 : 11,457.48 = 3,741.50 : x
  2. Step 2: Convert to fraction form
    7,638.14/11,457.48 = 3,741.50/x
  3. Step 3: Cross multiply
    7,638.14x = 11,457.48 × 3,741.50
  4. Step 4: Simplify right side
    7,638.14x = 42,868,161.42
  5. Step 5: Solve for x
    x = 42,868,161.42/7,638.14
  6. Step 6: Final answer
    x = 5,612.38

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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.