Home / 4,499.64-6,749.45-1,213.07

Finding the Fourth Proportional to 4,499.64, 6,749.45 and 1,213.07

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Solution

The fourth proportional to 4,499.64, 6,749.45 and 1,213.07 is: 1,819.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,499.64 : 6,749.45 = 1,213.07 : x
  2. Step 2: Convert to fraction form
    4,499.64/6,749.45 = 1,213.07/x
  3. Step 3: Cross multiply
    4,499.64x = 6,749.45 × 1,213.07
  4. Step 4: Simplify right side
    4,499.64x = 8,187,515.50
  5. Step 5: Solve for x
    x = 8,187,515.50/4,499.64
  6. Step 6: Final answer
    x = 1,819.59

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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.