Home / 4,283.38-6,420.97-2,090.91

Finding the Fourth Proportional to 4,283.38, 6,420.97 and 2,090.91

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Solution

The fourth proportional to 4,283.38, 6,420.97 and 2,090.91 is: 3,134.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,283.38 : 6,420.97 = 2,090.91 : x
  2. Step 2: Convert to fraction form
    4,283.38/6,420.97 = 2,090.91/x
  3. Step 3: Cross multiply
    4,283.38x = 6,420.97 × 2,090.91
  4. Step 4: Simplify right side
    4,283.38x = 13,425,697.07
  5. Step 5: Solve for x
    x = 13,425,697.07/4,283.38
  6. Step 6: Final answer
    x = 3,134.37

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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.