Home / 4,221.06-5,827.90-2,628.35

Finding the Fourth Proportional to 4,221.06, 5,827.90 and 2,628.35

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Solution

The fourth proportional to 4,221.06, 5,827.90 and 2,628.35 is: 3,628.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.06 : 5,827.90 = 2,628.35 : x
  2. Step 2: Convert to fraction form
    4,221.06/5,827.90 = 2,628.35/x
  3. Step 3: Cross multiply
    4,221.06x = 5,827.90 × 2,628.35
  4. Step 4: Simplify right side
    4,221.06x = 15,317,768.96
  5. Step 5: Solve for x
    x = 15,317,768.96/4,221.06
  6. Step 6: Final answer
    x = 3,628.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.