Home / 4,259.38-6,389.12-1,337.68

Finding the Fourth Proportional to 4,259.38, 6,389.12 and 1,337.68

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Solution

The fourth proportional to 4,259.38, 6,389.12 and 1,337.68 is: 2,006.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,259.38 : 6,389.12 = 1,337.68 : x
  2. Step 2: Convert to fraction form
    4,259.38/6,389.12 = 1,337.68/x
  3. Step 3: Cross multiply
    4,259.38x = 6,389.12 × 1,337.68
  4. Step 4: Simplify right side
    4,259.38x = 8,546,598.04
  5. Step 5: Solve for x
    x = 8,546,598.04/4,259.38
  6. Step 6: Final answer
    x = 2,006.54

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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.