Home / 4,500.12-6,749.70-1,213.55

Finding the Fourth Proportional to 4,500.12, 6,749.70 and 1,213.55

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Solution

The fourth proportional to 4,500.12, 6,749.70 and 1,213.55 is: 1,820.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,500.12 : 6,749.70 = 1,213.55 : x
  2. Step 2: Convert to fraction form
    4,500.12/6,749.70 = 1,213.55/x
  3. Step 3: Cross multiply
    4,500.12x = 6,749.70 × 1,213.55
  4. Step 4: Simplify right side
    4,500.12x = 8,191,098.44
  5. Step 5: Solve for x
    x = 8,191,098.44/4,500.12
  6. Step 6: Final answer
    x = 1,820.20

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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.