Home / 5,424.71-8,137.73-1,529.11

Finding the Fourth Proportional to 5,424.71, 8,137.73 and 1,529.11

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Solution

The fourth proportional to 5,424.71, 8,137.73 and 1,529.11 is: 2,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,424.71 : 8,137.73 = 1,529.11 : x
  2. Step 2: Convert to fraction form
    5,424.71/8,137.73 = 1,529.11/x
  3. Step 3: Cross multiply
    5,424.71x = 8,137.73 × 1,529.11
  4. Step 4: Simplify right side
    5,424.71x = 12,443,498.32
  5. Step 5: Solve for x
    x = 12,443,498.32/5,424.71
  6. Step 6: Final answer
    x = 2,293.86

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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.