Home / 5,785.84-8,678.67-1,403.27

Finding the Fourth Proportional to 5,785.84, 8,678.67 and 1,403.27

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Solution

The fourth proportional to 5,785.84, 8,678.67 and 1,403.27 is: 2,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.84 : 8,678.67 = 1,403.27 : x
  2. Step 2: Convert to fraction form
    5,785.84/8,678.67 = 1,403.27/x
  3. Step 3: Cross multiply
    5,785.84x = 8,678.67 × 1,403.27
  4. Step 4: Simplify right side
    5,785.84x = 12,178,517.25
  5. Step 5: Solve for x
    x = 12,178,517.25/5,785.84
  6. Step 6: Final answer
    x = 2,104.88

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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.