Home / 8,007.86-12,009.41-2,385.95

Finding the Fourth Proportional to 8,007.86, 12,009.41 and 2,385.95

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Solution

The fourth proportional to 8,007.86, 12,009.41 and 2,385.95 is: 3,578.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,007.86 : 12,009.41 = 2,385.95 : x
  2. Step 2: Convert to fraction form
    8,007.86/12,009.41 = 2,385.95/x
  3. Step 3: Cross multiply
    8,007.86x = 12,009.41 × 2,385.95
  4. Step 4: Simplify right side
    8,007.86x = 28,653,779.81
  5. Step 5: Solve for x
    x = 28,653,779.81/8,007.86
  6. Step 6: Final answer
    x = 3,578.21

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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.