Home / 7,824.32-11,736.54-2,630.20

Finding the Fourth Proportional to 7,824.32, 11,736.54 and 2,630.20

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Solution

The fourth proportional to 7,824.32, 11,736.54 and 2,630.20 is: 3,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,824.32 : 11,736.54 = 2,630.20 : x
  2. Step 2: Convert to fraction form
    7,824.32/11,736.54 = 2,630.20/x
  3. Step 3: Cross multiply
    7,824.32x = 11,736.54 × 2,630.20
  4. Step 4: Simplify right side
    7,824.32x = 30,869,447.51
  5. Step 5: Solve for x
    x = 30,869,447.51/7,824.32
  6. Step 6: Final answer
    x = 3,945.32

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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.