Home / 5,856.85-8,784.36-1,961.29

Finding the Fourth Proportional to 5,856.85, 8,784.36 and 1,961.29

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Solution

The fourth proportional to 5,856.85, 8,784.36 and 1,961.29 is: 2,941.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,856.85 : 8,784.36 = 1,961.29 : x
  2. Step 2: Convert to fraction form
    5,856.85/8,784.36 = 1,961.29/x
  3. Step 3: Cross multiply
    5,856.85x = 8,784.36 × 1,961.29
  4. Step 4: Simplify right side
    5,856.85x = 17,228,677.42
  5. Step 5: Solve for x
    x = 17,228,677.42/5,856.85
  6. Step 6: Final answer
    x = 2,941.63

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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.