Home / 8,382.81-12,555.08-4,003.35

Finding the Fourth Proportional to 8,382.81, 12,555.08 and 4,003.35

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Solution

The fourth proportional to 8,382.81, 12,555.08 and 4,003.35 is: 5,995.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,382.81 : 12,555.08 = 4,003.35 : x
  2. Step 2: Convert to fraction form
    8,382.81/12,555.08 = 4,003.35/x
  3. Step 3: Cross multiply
    8,382.81x = 12,555.08 × 4,003.35
  4. Step 4: Simplify right side
    8,382.81x = 50,262,379.52
  5. Step 5: Solve for x
    x = 50,262,379.52/8,382.81
  6. Step 6: Final answer
    x = 5,995.89

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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.