Home / 5,266.36-7,899.52-2,145.64

Finding the Fourth Proportional to 5,266.36, 7,899.52 and 2,145.64

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Solution

The fourth proportional to 5,266.36, 7,899.52 and 2,145.64 is: 3,218.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,266.36 : 7,899.52 = 2,145.64 : x
  2. Step 2: Convert to fraction form
    5,266.36/7,899.52 = 2,145.64/x
  3. Step 3: Cross multiply
    5,266.36x = 7,899.52 × 2,145.64
  4. Step 4: Simplify right side
    5,266.36x = 16,949,526.09
  5. Step 5: Solve for x
    x = 16,949,526.09/5,266.36
  6. Step 6: Final answer
    x = 3,218.45

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Similar ratio
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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.