Home / 8,364.32-12,543.85-3,026.81

Finding the Fourth Proportional to 8,364.32, 12,543.85 and 3,026.81

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Solution

The fourth proportional to 8,364.32, 12,543.85 and 3,026.81 is: 4,539.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,364.32 : 12,543.85 = 3,026.81 : x
  2. Step 2: Convert to fraction form
    8,364.32/12,543.85 = 3,026.81/x
  3. Step 3: Cross multiply
    8,364.32x = 12,543.85 × 3,026.81
  4. Step 4: Simplify right side
    8,364.32x = 37,967,850.62
  5. Step 5: Solve for x
    x = 37,967,850.62/8,364.32
  6. Step 6: Final answer
    x = 4,539.26

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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.