Home / 5,785.60-8,677.52-1,890.08

Finding the Fourth Proportional to 5,785.60, 8,677.52 and 1,890.08

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Solution

The fourth proportional to 5,785.60, 8,677.52 and 1,890.08 is: 2,834.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.60 : 8,677.52 = 1,890.08 : x
  2. Step 2: Convert to fraction form
    5,785.60/8,677.52 = 1,890.08/x
  3. Step 3: Cross multiply
    5,785.60x = 8,677.52 × 1,890.08
  4. Step 4: Simplify right side
    5,785.60x = 16,401,207.00
  5. Step 5: Solve for x
    x = 16,401,207.00/5,785.60
  6. Step 6: Final answer
    x = 2,834.83

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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.