Home / 8,623.52-12,935.04-3,690.68

Finding the Fourth Proportional to 8,623.52, 12,935.04 and 3,690.68

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Solution

The fourth proportional to 8,623.52, 12,935.04 and 3,690.68 is: 5,535.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,623.52 : 12,935.04 = 3,690.68 : x
  2. Step 2: Convert to fraction form
    8,623.52/12,935.04 = 3,690.68/x
  3. Step 3: Cross multiply
    8,623.52x = 12,935.04 × 3,690.68
  4. Step 4: Simplify right side
    8,623.52x = 47,739,093.43
  5. Step 5: Solve for x
    x = 47,739,093.43/8,623.52
  6. Step 6: Final answer
    x = 5,535.92

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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.