Home / 8,376.86-12,565.20-2,051.81

Finding the Fourth Proportional to 8,376.86, 12,565.20 and 2,051.81

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Solution

The fourth proportional to 8,376.86, 12,565.20 and 2,051.81 is: 3,077.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.86 : 12,565.20 = 2,051.81 : x
  2. Step 2: Convert to fraction form
    8,376.86/12,565.20 = 2,051.81/x
  3. Step 3: Cross multiply
    8,376.86x = 12,565.20 × 2,051.81
  4. Step 4: Simplify right side
    8,376.86x = 25,781,403.01
  5. Step 5: Solve for x
    x = 25,781,403.01/8,376.86
  6. Step 6: Final answer
    x = 3,077.69

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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.