Home / 5,260.05-7,883.26-2,136.40

Finding the Fourth Proportional to 5,260.05, 7,883.26 and 2,136.40

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Solution

The fourth proportional to 5,260.05, 7,883.26 and 2,136.40 is: 3,201.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,260.05 : 7,883.26 = 2,136.40 : x
  2. Step 2: Convert to fraction form
    5,260.05/7,883.26 = 2,136.40/x
  3. Step 3: Cross multiply
    5,260.05x = 7,883.26 × 2,136.40
  4. Step 4: Simplify right side
    5,260.05x = 16,841,779.01
  5. Step 5: Solve for x
    x = 16,841,779.01/5,260.05
  6. Step 6: Final answer
    x = 3,201.83

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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.