Home / 7,246.12-9,999.88-4,102.24

Finding the Fourth Proportional to 7,246.12, 9,999.88 and 4,102.24

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Solution

The fourth proportional to 7,246.12, 9,999.88 and 4,102.24 is: 5,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,246.12 : 9,999.88 = 4,102.24 : x
  2. Step 2: Convert to fraction form
    7,246.12/9,999.88 = 4,102.24/x
  3. Step 3: Cross multiply
    7,246.12x = 9,999.88 × 4,102.24
  4. Step 4: Simplify right side
    7,246.12x = 41,021,907.73
  5. Step 5: Solve for x
    x = 41,021,907.73/7,246.12
  6. Step 6: Final answer
    x = 5,661.22

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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.