Home / 4,918.42-7,381.18-2,419.07

Finding the Fourth Proportional to 4,918.42, 7,381.18 and 2,419.07

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Solution

The fourth proportional to 4,918.42, 7,381.18 and 2,419.07 is: 3,630.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,918.42 : 7,381.18 = 2,419.07 : x
  2. Step 2: Convert to fraction form
    4,918.42/7,381.18 = 2,419.07/x
  3. Step 3: Cross multiply
    4,918.42x = 7,381.18 × 2,419.07
  4. Step 4: Simplify right side
    4,918.42x = 17,855,543.61
  5. Step 5: Solve for x
    x = 17,855,543.61/4,918.42
  6. Step 6: Final answer
    x = 3,630.34

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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.