Home / 7,696.32-11,530.57-3,539.80

Finding the Fourth Proportional to 7,696.32, 11,530.57 and 3,539.80

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Solution

The fourth proportional to 7,696.32, 11,530.57 and 3,539.80 is: 5,303.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,696.32 : 11,530.57 = 3,539.80 : x
  2. Step 2: Convert to fraction form
    7,696.32/11,530.57 = 3,539.80/x
  3. Step 3: Cross multiply
    7,696.32x = 11,530.57 × 3,539.80
  4. Step 4: Simplify right side
    7,696.32x = 40,815,923.89
  5. Step 5: Solve for x
    x = 40,815,923.89/7,696.32
  6. Step 6: Final answer
    x = 5,303.31

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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.