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Finding the Fourth Proportional to 8,633.52, 12,950.28 and 5,574.96

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Solution

The fourth proportional to 8,633.52, 12,950.28 and 5,574.96 is: 8,362.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.52 : 12,950.28 = 5,574.96 : x
  2. Step 2: Convert to fraction form
    8,633.52/12,950.28 = 5,574.96/x
  3. Step 3: Cross multiply
    8,633.52x = 12,950.28 × 5,574.96
  4. Step 4: Simplify right side
    8,633.52x = 72,197,292.99
  5. Step 5: Solve for x
    x = 72,197,292.99/8,633.52
  6. Step 6: Final answer
    x = 8,362.44

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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.