Home / 8,920.86-13,382.83-2,998.32

Finding the Fourth Proportional to 8,920.86, 13,382.83 and 2,998.32

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Solution

The fourth proportional to 8,920.86, 13,382.83 and 2,998.32 is: 4,498.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,920.86 : 13,382.83 = 2,998.32 : x
  2. Step 2: Convert to fraction form
    8,920.86/13,382.83 = 2,998.32/x
  3. Step 3: Cross multiply
    8,920.86x = 13,382.83 × 2,998.32
  4. Step 4: Simplify right side
    8,920.86x = 40,126,006.85
  5. Step 5: Solve for x
    x = 40,126,006.85/8,920.86
  6. Step 6: Final answer
    x = 4,498.00

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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.