Home / 5,289.11-7,925.86-2,945.88

Finding the Fourth Proportional to 5,289.11, 7,925.86 and 2,945.88

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Solution

The fourth proportional to 5,289.11, 7,925.86 and 2,945.88 is: 4,414.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,289.11 : 7,925.86 = 2,945.88 : x
  2. Step 2: Convert to fraction form
    5,289.11/7,925.86 = 2,945.88/x
  3. Step 3: Cross multiply
    5,289.11x = 7,925.86 × 2,945.88
  4. Step 4: Simplify right side
    5,289.11x = 23,348,665.86
  5. Step 5: Solve for x
    x = 23,348,665.86/5,289.11
  6. Step 6: Final answer
    x = 4,414.48

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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.