Home / 5,021.84-7,531.90-1,324.11

Finding the Fourth Proportional to 5,021.84, 7,531.90 and 1,324.11

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Solution

The fourth proportional to 5,021.84, 7,531.90 and 1,324.11 is: 1,985.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.84 : 7,531.90 = 1,324.11 : x
  2. Step 2: Convert to fraction form
    5,021.84/7,531.90 = 1,324.11/x
  3. Step 3: Cross multiply
    5,021.84x = 7,531.90 × 1,324.11
  4. Step 4: Simplify right side
    5,021.84x = 9,973,032.94
  5. Step 5: Solve for x
    x = 9,973,032.94/5,021.84
  6. Step 6: Final answer
    x = 1,985.93

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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.