Home / 7,713.46-11,570.79-2,519.86

Finding the Fourth Proportional to 7,713.46, 11,570.79 and 2,519.86

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Solution

The fourth proportional to 7,713.46, 11,570.79 and 2,519.86 is: 3,779.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,713.46 : 11,570.79 = 2,519.86 : x
  2. Step 2: Convert to fraction form
    7,713.46/11,570.79 = 2,519.86/x
  3. Step 3: Cross multiply
    7,713.46x = 11,570.79 × 2,519.86
  4. Step 4: Simplify right side
    7,713.46x = 29,156,770.89
  5. Step 5: Solve for x
    x = 29,156,770.89/7,713.46
  6. Step 6: Final answer
    x = 3,779.99

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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.