Home / 5,425.11-8,137.64-1,529.51

Finding the Fourth Proportional to 5,425.11, 8,137.64 and 1,529.51

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Solution

The fourth proportional to 5,425.11, 8,137.64 and 1,529.51 is: 2,294.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,425.11 : 8,137.64 = 1,529.51 : x
  2. Step 2: Convert to fraction form
    5,425.11/8,137.64 = 1,529.51/x
  3. Step 3: Cross multiply
    5,425.11x = 8,137.64 × 1,529.51
  4. Step 4: Simplify right side
    5,425.11x = 12,446,564.89
  5. Step 5: Solve for x
    x = 12,446,564.89/5,425.11
  6. Step 6: Final answer
    x = 2,294.25

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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.