Home / 5,865.60-8,790.84-2,945.64

Finding the Fourth Proportional to 5,865.60, 8,790.84 and 2,945.64

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Solution

The fourth proportional to 5,865.60, 8,790.84 and 2,945.64 is: 4,414.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,865.60 : 8,790.84 = 2,945.64 : x
  2. Step 2: Convert to fraction form
    5,865.60/8,790.84 = 2,945.64/x
  3. Step 3: Cross multiply
    5,865.60x = 8,790.84 × 2,945.64
  4. Step 4: Simplify right side
    5,865.60x = 25,894,649.94
  5. Step 5: Solve for x
    x = 25,894,649.94/5,865.60
  6. Step 6: Final answer
    x = 4,414.66

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1.5x scale

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.