Home / 8,353.33-12,527.12-3,421.57

Finding the Fourth Proportional to 8,353.33, 12,527.12 and 3,421.57

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Solution

The fourth proportional to 8,353.33, 12,527.12 and 3,421.57 is: 5,131.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,353.33 : 12,527.12 = 3,421.57 : x
  2. Step 2: Convert to fraction form
    8,353.33/12,527.12 = 3,421.57/x
  3. Step 3: Cross multiply
    8,353.33x = 12,527.12 × 3,421.57
  4. Step 4: Simplify right side
    8,353.33x = 42,862,400.87
  5. Step 5: Solve for x
    x = 42,862,400.87/8,353.33
  6. Step 6: Final answer
    x = 5,131.18

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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.