Home / 6,814.30-10,219.69-2,431.12

Finding the Fourth Proportional to 6,814.30, 10,219.69 and 2,431.12

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Solution

The fourth proportional to 6,814.30, 10,219.69 and 2,431.12 is: 3,646.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,814.30 : 10,219.69 = 2,431.12 : x
  2. Step 2: Convert to fraction form
    6,814.30/10,219.69 = 2,431.12/x
  3. Step 3: Cross multiply
    6,814.30x = 10,219.69 × 2,431.12
  4. Step 4: Simplify right side
    6,814.30x = 24,845,292.75
  5. Step 5: Solve for x
    x = 24,845,292.75/6,814.30
  6. Step 6: Final answer
    x = 3,646.05

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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.