Home / 8,633.49-12,952.95-3,086.70

Finding the Fourth Proportional to 8,633.49, 12,952.95 and 3,086.70

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Solution

The fourth proportional to 8,633.49, 12,952.95 and 3,086.70 is: 4,631.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,633.49 : 12,952.95 = 3,086.70 : x
  2. Step 2: Convert to fraction form
    8,633.49/12,952.95 = 3,086.70/x
  3. Step 3: Cross multiply
    8,633.49x = 12,952.95 × 3,086.70
  4. Step 4: Simplify right side
    8,633.49x = 39,981,870.77
  5. Step 5: Solve for x
    x = 39,981,870.77/8,633.49
  6. Step 6: Final answer
    x = 4,631.02

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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.