Home / 4,938.77-7,411.07-1,820.96

Finding the Fourth Proportional to 4,938.77, 7,411.07 and 1,820.96

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Solution

The fourth proportional to 4,938.77, 7,411.07 and 1,820.96 is: 2,732.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,938.77 : 7,411.07 = 1,820.96 : x
  2. Step 2: Convert to fraction form
    4,938.77/7,411.07 = 1,820.96/x
  3. Step 3: Cross multiply
    4,938.77x = 7,411.07 × 1,820.96
  4. Step 4: Simplify right side
    4,938.77x = 13,495,262.03
  5. Step 5: Solve for x
    x = 13,495,262.03/4,938.77
  6. Step 6: Final answer
    x = 2,732.51

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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.