Home / 8,428.96-12,646.24-3,500.88

Finding the Fourth Proportional to 8,428.96, 12,646.24 and 3,500.88

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Solution

The fourth proportional to 8,428.96, 12,646.24 and 3,500.88 is: 5,252.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,428.96 : 12,646.24 = 3,500.88 : x
  2. Step 2: Convert to fraction form
    8,428.96/12,646.24 = 3,500.88/x
  3. Step 3: Cross multiply
    8,428.96x = 12,646.24 × 3,500.88
  4. Step 4: Simplify right side
    8,428.96x = 44,272,968.69
  5. Step 5: Solve for x
    x = 44,272,968.69/8,428.96
  6. Step 6: Final answer
    x = 5,252.48

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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.