Home / 5,236.36-7,855.02-2,637.64

Finding the Fourth Proportional to 5,236.36, 7,855.02 and 2,637.64

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Solution

The fourth proportional to 5,236.36, 7,855.02 and 2,637.64 is: 3,956.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,236.36 : 7,855.02 = 2,637.64 : x
  2. Step 2: Convert to fraction form
    5,236.36/7,855.02 = 2,637.64/x
  3. Step 3: Cross multiply
    5,236.36x = 7,855.02 × 2,637.64
  4. Step 4: Simplify right side
    5,236.36x = 20,718,714.95
  5. Step 5: Solve for x
    x = 20,718,714.95/5,236.36
  6. Step 6: Final answer
    x = 3,956.70

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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.