Home / 7,458.60-11,190.30-4,996.20

Finding the Fourth Proportional to 7,458.60, 11,190.30 and 4,996.20

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Solution

The fourth proportional to 7,458.60, 11,190.30 and 4,996.20 is: 7,495.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,458.60 : 11,190.30 = 4,996.20 : x
  2. Step 2: Convert to fraction form
    7,458.60/11,190.30 = 4,996.20/x
  3. Step 3: Cross multiply
    7,458.60x = 11,190.30 × 4,996.20
  4. Step 4: Simplify right side
    7,458.60x = 55,908,976.86
  5. Step 5: Solve for x
    x = 55,908,976.86/7,458.60
  6. Step 6: Final answer
    x = 7,495.91

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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.