Home / 7,381.48-11,074.61-4,419.46

Finding the Fourth Proportional to 7,381.48, 11,074.61 and 4,419.46

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Solution

The fourth proportional to 7,381.48, 11,074.61 and 4,419.46 is: 6,630.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,381.48 : 11,074.61 = 4,419.46 : x
  2. Step 2: Convert to fraction form
    7,381.48/11,074.61 = 4,419.46/x
  3. Step 3: Cross multiply
    7,381.48x = 11,074.61 × 4,419.46
  4. Step 4: Simplify right side
    7,381.48x = 48,943,795.91
  5. Step 5: Solve for x
    x = 48,943,795.91/7,381.48
  6. Step 6: Final answer
    x = 6,630.62

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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.