Home / 5,945.55-8,910.58-3,312.95

Finding the Fourth Proportional to 5,945.55, 8,910.58 and 3,312.95

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Solution

The fourth proportional to 5,945.55, 8,910.58 and 3,312.95 is: 4,965.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,945.55 : 8,910.58 = 3,312.95 : x
  2. Step 2: Convert to fraction form
    5,945.55/8,910.58 = 3,312.95/x
  3. Step 3: Cross multiply
    5,945.55x = 8,910.58 × 3,312.95
  4. Step 4: Simplify right side
    5,945.55x = 29,520,289.45
  5. Step 5: Solve for x
    x = 29,520,289.45/5,945.55
  6. Step 6: Final answer
    x = 4,965.11

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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.