Home / 8,205.66-12,288.87-4,732.38

Finding the Fourth Proportional to 8,205.66, 12,288.87 and 4,732.38

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Solution

The fourth proportional to 8,205.66, 12,288.87 and 4,732.38 is: 7,087.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,205.66 : 12,288.87 = 4,732.38 : x
  2. Step 2: Convert to fraction form
    8,205.66/12,288.87 = 4,732.38/x
  3. Step 3: Cross multiply
    8,205.66x = 12,288.87 × 4,732.38
  4. Step 4: Simplify right side
    8,205.66x = 58,155,602.61
  5. Step 5: Solve for x
    x = 58,155,602.61/8,205.66
  6. Step 6: Final answer
    x = 7,087.25

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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.