Home / 4,651.28-6,976.91-1,188.53

Finding the Fourth Proportional to 4,651.28, 6,976.91 and 1,188.53

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Solution

The fourth proportional to 4,651.28, 6,976.91 and 1,188.53 is: 1,782.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,651.28 : 6,976.91 = 1,188.53 : x
  2. Step 2: Convert to fraction form
    4,651.28/6,976.91 = 1,188.53/x
  3. Step 3: Cross multiply
    4,651.28x = 6,976.91 × 1,188.53
  4. Step 4: Simplify right side
    4,651.28x = 8,292,226.02
  5. Step 5: Solve for x
    x = 8,292,226.02/4,651.28
  6. Step 6: Final answer
    x = 1,782.79

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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.