Home / 7,340.27-11,011.18-3,180.70

Finding the Fourth Proportional to 7,340.27, 11,011.18 and 3,180.70

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Solution

The fourth proportional to 7,340.27, 11,011.18 and 3,180.70 is: 4,771.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,340.27 : 11,011.18 = 3,180.70 : x
  2. Step 2: Convert to fraction form
    7,340.27/11,011.18 = 3,180.70/x
  3. Step 3: Cross multiply
    7,340.27x = 11,011.18 × 3,180.70
  4. Step 4: Simplify right side
    7,340.27x = 35,023,280.95
  5. Step 5: Solve for x
    x = 35,023,280.95/7,340.27
  6. Step 6: Final answer
    x = 4,771.39

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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.