Home / 6,999.30-10,499.45-2,839.22

Finding the Fourth Proportional to 6,999.30, 10,499.45 and 2,839.22

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Solution

The fourth proportional to 6,999.30, 10,499.45 and 2,839.22 is: 4,259.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,999.30 : 10,499.45 = 2,839.22 : x
  2. Step 2: Convert to fraction form
    6,999.30/10,499.45 = 2,839.22/x
  3. Step 3: Cross multiply
    6,999.30x = 10,499.45 × 2,839.22
  4. Step 4: Simplify right side
    6,999.30x = 29,810,221.11
  5. Step 5: Solve for x
    x = 29,810,221.11/6,999.30
  6. Step 6: Final answer
    x = 4,259.03

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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.