Home / 5,445.35-8,162.64-2,628.99

Finding the Fourth Proportional to 5,445.35, 8,162.64 and 2,628.99

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Solution

The fourth proportional to 5,445.35, 8,162.64 and 2,628.99 is: 3,940.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,445.35 : 8,162.64 = 2,628.99 : x
  2. Step 2: Convert to fraction form
    5,445.35/8,162.64 = 2,628.99/x
  3. Step 3: Cross multiply
    5,445.35x = 8,162.64 × 2,628.99
  4. Step 4: Simplify right side
    5,445.35x = 21,459,498.93
  5. Step 5: Solve for x
    x = 21,459,498.93/5,445.35
  6. Step 6: Final answer
    x = 3,940.89

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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.