Home / 4,920.19-7,381.02-1,757.38

Finding the Fourth Proportional to 4,920.19, 7,381.02 and 1,757.38

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Solution

The fourth proportional to 4,920.19, 7,381.02 and 1,757.38 is: 2,636.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.19 : 7,381.02 = 1,757.38 : x
  2. Step 2: Convert to fraction form
    4,920.19/7,381.02 = 1,757.38/x
  3. Step 3: Cross multiply
    4,920.19x = 7,381.02 × 1,757.38
  4. Step 4: Simplify right side
    4,920.19x = 12,971,258.90
  5. Step 5: Solve for x
    x = 12,971,258.90/4,920.19
  6. Step 6: Final answer
    x = 2,636.33

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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.