Home / 8,629.94-12,934.76-4,934.72

Finding the Fourth Proportional to 8,629.94, 12,934.76 and 4,934.72

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Solution

The fourth proportional to 8,629.94, 12,934.76 and 4,934.72 is: 7,396.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,629.94 : 12,934.76 = 4,934.72 : x
  2. Step 2: Convert to fraction form
    8,629.94/12,934.76 = 4,934.72/x
  3. Step 3: Cross multiply
    8,629.94x = 12,934.76 × 4,934.72
  4. Step 4: Simplify right side
    8,629.94x = 63,829,426.53
  5. Step 5: Solve for x
    x = 63,829,426.53/8,629.94
  6. Step 6: Final answer
    x = 7,396.27

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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.