Home / 7,415.60-11,124.20-2,485.04

Finding the Fourth Proportional to 7,415.60, 11,124.20 and 2,485.04

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Solution

The fourth proportional to 7,415.60, 11,124.20 and 2,485.04 is: 3,727.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,415.60 : 11,124.20 = 2,485.04 : x
  2. Step 2: Convert to fraction form
    7,415.60/11,124.20 = 2,485.04/x
  3. Step 3: Cross multiply
    7,415.60x = 11,124.20 × 2,485.04
  4. Step 4: Simplify right side
    7,415.60x = 27,644,081.97
  5. Step 5: Solve for x
    x = 27,644,081.97/7,415.60
  6. Step 6: Final answer
    x = 3,727.83

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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.