Home / 8,462.78-12,694.62-3,527.45

Finding the Fourth Proportional to 8,462.78, 12,694.62 and 3,527.45

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Solution

The fourth proportional to 8,462.78, 12,694.62 and 3,527.45 is: 5,291.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,462.78 : 12,694.62 = 3,527.45 : x
  2. Step 2: Convert to fraction form
    8,462.78/12,694.62 = 3,527.45/x
  3. Step 3: Cross multiply
    8,462.78x = 12,694.62 × 3,527.45
  4. Step 4: Simplify right side
    8,462.78x = 44,779,634.68
  5. Step 5: Solve for x
    x = 44,779,634.68/8,462.78
  6. Step 6: Final answer
    x = 5,291.36

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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.