Home / 5,785.19-8,677.78-1,402.65

Finding the Fourth Proportional to 5,785.19, 8,677.78 and 1,402.65

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Solution

The fourth proportional to 5,785.19, 8,677.78 and 1,402.65 is: 2,103.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.19 : 8,677.78 = 1,402.65 : x
  2. Step 2: Convert to fraction form
    5,785.19/8,677.78 = 1,402.65/x
  3. Step 3: Cross multiply
    5,785.19x = 8,677.78 × 1,402.65
  4. Step 4: Simplify right side
    5,785.19x = 12,171,859.08
  5. Step 5: Solve for x
    x = 12,171,859.08/5,785.19
  6. Step 6: Final answer
    x = 2,103.97

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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.