Home / 7,458.90-11,188.62-2,529.02

Finding the Fourth Proportional to 7,458.90, 11,188.62 and 2,529.02

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Solution

The fourth proportional to 7,458.90, 11,188.62 and 2,529.02 is: 3,793.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.90 : 11,188.62 = 2,529.02 : x
  2. Step 2: Convert to fraction form
    7,458.90/11,188.62 = 2,529.02/x
  3. Step 3: Cross multiply
    7,458.90x = 11,188.62 × 2,529.02
  4. Step 4: Simplify right side
    7,458.90x = 28,296,187.81
  5. Step 5: Solve for x
    x = 28,296,187.81/7,458.90
  6. Step 6: Final answer
    x = 3,793.61

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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.