Home / 5,021.46-7,531.61-1,323.98

Finding the Fourth Proportional to 5,021.46, 7,531.61 and 1,323.98

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Solution

The fourth proportional to 5,021.46, 7,531.61 and 1,323.98 is: 1,985.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,021.46 : 7,531.61 = 1,323.98 : x
  2. Step 2: Convert to fraction form
    5,021.46/7,531.61 = 1,323.98/x
  3. Step 3: Cross multiply
    5,021.46x = 7,531.61 × 1,323.98
  4. Step 4: Simplify right side
    5,021.46x = 9,971,723.15
  5. Step 5: Solve for x
    x = 9,971,723.15/5,021.46
  6. Step 6: Final answer
    x = 1,985.82

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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.