Home / 5,132.32-7,698.20-1,574.43

Finding the Fourth Proportional to 5,132.32, 7,698.20 and 1,574.43

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Solution

The fourth proportional to 5,132.32, 7,698.20 and 1,574.43 is: 2,361.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.32 : 7,698.20 = 1,574.43 : x
  2. Step 2: Convert to fraction form
    5,132.32/7,698.20 = 1,574.43/x
  3. Step 3: Cross multiply
    5,132.32x = 7,698.20 × 1,574.43
  4. Step 4: Simplify right side
    5,132.32x = 12,120,277.03
  5. Step 5: Solve for x
    x = 12,120,277.03/5,132.32
  6. Step 6: Final answer
    x = 2,361.56

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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.