Home / 7,246.20-9,999.60-4,102.92

Finding the Fourth Proportional to 7,246.20, 9,999.60 and 4,102.92

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Solution

The fourth proportional to 7,246.20, 9,999.60 and 4,102.92 is: 5,661.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.20 : 9,999.60 = 4,102.92 : x
  2. Step 2: Convert to fraction form
    7,246.20/9,999.60 = 4,102.92/x
  3. Step 3: Cross multiply
    7,246.20x = 9,999.60 × 4,102.92
  4. Step 4: Simplify right side
    7,246.20x = 41,027,558.83
  5. Step 5: Solve for x
    x = 41,027,558.83/7,246.20
  6. Step 6: Final answer
    x = 5,661.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.