Home / 5,132.39-7,698.57-1,236.80

Finding the Fourth Proportional to 5,132.39, 7,698.57 and 1,236.80

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Solution

The fourth proportional to 5,132.39, 7,698.57 and 1,236.80 is: 1,855.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,132.39 : 7,698.57 = 1,236.80 : x
  2. Step 2: Convert to fraction form
    5,132.39/7,698.57 = 1,236.80/x
  3. Step 3: Cross multiply
    5,132.39x = 7,698.57 × 1,236.80
  4. Step 4: Simplify right side
    5,132.39x = 9,521,552.88
  5. Step 5: Solve for x
    x = 9,521,552.88/5,132.39
  6. Step 6: Final answer
    x = 1,855.19

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1.5x scale

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.