Home / 7,629.94-11,444.98-3,680.28

Finding the Fourth Proportional to 7,629.94, 11,444.98 and 3,680.28

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Solution

The fourth proportional to 7,629.94, 11,444.98 and 3,680.28 is: 5,520.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.94 : 11,444.98 = 3,680.28 : x
  2. Step 2: Convert to fraction form
    7,629.94/11,444.98 = 3,680.28/x
  3. Step 3: Cross multiply
    7,629.94x = 11,444.98 × 3,680.28
  4. Step 4: Simplify right side
    7,629.94x = 42,120,673.77
  5. Step 5: Solve for x
    x = 42,120,673.77/7,629.94
  6. Step 6: Final answer
    x = 5,520.45

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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.