Home / 8,790.99-13,185.06-3,246.95

Finding the Fourth Proportional to 8,790.99, 13,185.06 and 3,246.95

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Solution

The fourth proportional to 8,790.99, 13,185.06 and 3,246.95 is: 4,869.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,790.99 : 13,185.06 = 3,246.95 : x
  2. Step 2: Convert to fraction form
    8,790.99/13,185.06 = 3,246.95/x
  3. Step 3: Cross multiply
    8,790.99x = 13,185.06 × 3,246.95
  4. Step 4: Simplify right side
    8,790.99x = 42,811,164.64
  5. Step 5: Solve for x
    x = 42,811,164.64/8,790.99
  6. Step 6: Final answer
    x = 4,869.89

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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.