Home / 4,921.90-7,380.12-3,535.89

Finding the Fourth Proportional to 4,921.90, 7,380.12 and 3,535.89

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Solution

The fourth proportional to 4,921.90, 7,380.12 and 3,535.89 is: 5,301.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,921.90 : 7,380.12 = 3,535.89 : x
  2. Step 2: Convert to fraction form
    4,921.90/7,380.12 = 3,535.89/x
  3. Step 3: Cross multiply
    4,921.90x = 7,380.12 × 3,535.89
  4. Step 4: Simplify right side
    4,921.90x = 26,095,292.51
  5. Step 5: Solve for x
    x = 26,095,292.51/4,921.90
  6. Step 6: Final answer
    x = 5,301.87

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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.