Home / 7,639.08-11,461.89-3,197.78

Finding the Fourth Proportional to 7,639.08, 11,461.89 and 3,197.78

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Solution

The fourth proportional to 7,639.08, 11,461.89 and 3,197.78 is: 4,798.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,639.08 : 11,461.89 = 3,197.78 : x
  2. Step 2: Convert to fraction form
    7,639.08/11,461.89 = 3,197.78/x
  3. Step 3: Cross multiply
    7,639.08x = 11,461.89 × 3,197.78
  4. Step 4: Simplify right side
    7,639.08x = 36,652,625.93
  5. Step 5: Solve for x
    x = 36,652,625.93/7,639.08
  6. Step 6: Final answer
    x = 4,798.04

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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.