Home / 8,574.06-12,862.26-3,379.50

Finding the Fourth Proportional to 8,574.06, 12,862.26 and 3,379.50

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Solution

The fourth proportional to 8,574.06, 12,862.26 and 3,379.50 is: 5,069.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,574.06 : 12,862.26 = 3,379.50 : x
  2. Step 2: Convert to fraction form
    8,574.06/12,862.26 = 3,379.50/x
  3. Step 3: Cross multiply
    8,574.06x = 12,862.26 × 3,379.50
  4. Step 4: Simplify right side
    8,574.06x = 43,468,007.67
  5. Step 5: Solve for x
    x = 43,468,007.67/8,574.06
  6. Step 6: Final answer
    x = 5,069.71

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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.