Home / 9,272.40-13,905.72-3,724.80

Finding the Fourth Proportional to 9,272.40, 13,905.72 and 3,724.80

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Solution

The fourth proportional to 9,272.40, 13,905.72 and 3,724.80 is: 5,586.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,272.40 : 13,905.72 = 3,724.80 : x
  2. Step 2: Convert to fraction form
    9,272.40/13,905.72 = 3,724.80/x
  3. Step 3: Cross multiply
    9,272.40x = 13,905.72 × 3,724.80
  4. Step 4: Simplify right side
    9,272.40x = 51,796,025.86
  5. Step 5: Solve for x
    x = 51,796,025.86/9,272.40
  6. Step 6: Final answer
    x = 5,586.04

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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.