Home / 8,379.06-12,566.52-2,830.92

Finding the Fourth Proportional to 8,379.06, 12,566.52 and 2,830.92

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Solution

The fourth proportional to 8,379.06, 12,566.52 and 2,830.92 is: 4,245.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,379.06 : 12,566.52 = 2,830.92 : x
  2. Step 2: Convert to fraction form
    8,379.06/12,566.52 = 2,830.92/x
  3. Step 3: Cross multiply
    8,379.06x = 12,566.52 × 2,830.92
  4. Step 4: Simplify right side
    8,379.06x = 35,574,812.80
  5. Step 5: Solve for x
    x = 35,574,812.80/8,379.06
  6. Step 6: Final answer
    x = 4,245.68

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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.