Home / 5,132.21-7,698.20-1,434.36

Finding the Fourth Proportional to 5,132.21, 7,698.20 and 1,434.36

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Solution

The fourth proportional to 5,132.21, 7,698.20 and 1,434.36 is: 2,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.21 : 7,698.20 = 1,434.36 : x
  2. Step 2: Convert to fraction form
    5,132.21/7,698.20 = 1,434.36/x
  3. Step 3: Cross multiply
    5,132.21x = 7,698.20 × 1,434.36
  4. Step 4: Simplify right side
    5,132.21x = 11,041,982.98
  5. Step 5: Solve for x
    x = 11,041,982.98/5,132.21
  6. Step 6: Final answer
    x = 2,151.51

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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.