Home / 4,266.38-6,390.33-2,070.50

Finding the Fourth Proportional to 4,266.38, 6,390.33 and 2,070.50

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Solution

The fourth proportional to 4,266.38, 6,390.33 and 2,070.50 is: 3,101.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,266.38 : 6,390.33 = 2,070.50 : x
  2. Step 2: Convert to fraction form
    4,266.38/6,390.33 = 2,070.50/x
  3. Step 3: Cross multiply
    4,266.38x = 6,390.33 × 2,070.50
  4. Step 4: Simplify right side
    4,266.38x = 13,231,178.27
  5. Step 5: Solve for x
    x = 13,231,178.27/4,266.38
  6. Step 6: Final answer
    x = 3,101.27

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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.