Home / 8,402.19-12,605.18-2,559.26

Finding the Fourth Proportional to 8,402.19, 12,605.18 and 2,559.26

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Solution

The fourth proportional to 8,402.19, 12,605.18 and 2,559.26 is: 3,839.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,402.19 : 12,605.18 = 2,559.26 : x
  2. Step 2: Convert to fraction form
    8,402.19/12,605.18 = 2,559.26/x
  3. Step 3: Cross multiply
    8,402.19x = 12,605.18 × 2,559.26
  4. Step 4: Simplify right side
    8,402.19x = 32,259,857.14
  5. Step 5: Solve for x
    x = 32,259,857.14/8,402.19
  6. Step 6: Final answer
    x = 3,839.46

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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.