Home / 4,453.50-6,680.21-1,820.45

Finding the Fourth Proportional to 4,453.50, 6,680.21 and 1,820.45

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Solution

The fourth proportional to 4,453.50, 6,680.21 and 1,820.45 is: 2,730.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.50 : 6,680.21 = 1,820.45 : x
  2. Step 2: Convert to fraction form
    4,453.50/6,680.21 = 1,820.45/x
  3. Step 3: Cross multiply
    4,453.50x = 6,680.21 × 1,820.45
  4. Step 4: Simplify right side
    4,453.50x = 12,160,945.79
  5. Step 5: Solve for x
    x = 12,160,945.79/4,453.50
  6. Step 6: Final answer
    x = 2,730.65

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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.