Home / 8,431.05-12,652.23-3,500.69

Finding the Fourth Proportional to 8,431.05, 12,652.23 and 3,500.69

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Solution

The fourth proportional to 8,431.05, 12,652.23 and 3,500.69 is: 5,253.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,431.05 : 12,652.23 = 3,500.69 : x
  2. Step 2: Convert to fraction form
    8,431.05/12,652.23 = 3,500.69/x
  3. Step 3: Cross multiply
    8,431.05x = 12,652.23 × 3,500.69
  4. Step 4: Simplify right side
    8,431.05x = 44,291,484.91
  5. Step 5: Solve for x
    x = 44,291,484.91/8,431.05
  6. Step 6: Final answer
    x = 5,253.37

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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.