Home / 7,744.36-11,639.58-3,643.24

Finding the Fourth Proportional to 7,744.36, 11,639.58 and 3,643.24

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Solution

The fourth proportional to 7,744.36, 11,639.58 and 3,643.24 is: 5,475.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,744.36 : 11,639.58 = 3,643.24 : x
  2. Step 2: Convert to fraction form
    7,744.36/11,639.58 = 3,643.24/x
  3. Step 3: Cross multiply
    7,744.36x = 11,639.58 × 3,643.24
  4. Step 4: Simplify right side
    7,744.36x = 42,405,783.44
  5. Step 5: Solve for x
    x = 42,405,783.44/7,744.36
  6. Step 6: Final answer
    x = 5,475.70

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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.