Home / 8,633.72-12,950.58-3,439.64

Finding the Fourth Proportional to 8,633.72, 12,950.58 and 3,439.64

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Solution

The fourth proportional to 8,633.72, 12,950.58 and 3,439.64 is: 5,159.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.72 : 12,950.58 = 3,439.64 : x
  2. Step 2: Convert to fraction form
    8,633.72/12,950.58 = 3,439.64/x
  3. Step 3: Cross multiply
    8,633.72x = 12,950.58 × 3,439.64
  4. Step 4: Simplify right side
    8,633.72x = 44,545,332.99
  5. Step 5: Solve for x
    x = 44,545,332.99/8,633.72
  6. Step 6: Final answer
    x = 5,159.46

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Similar ratio
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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.