Home / 4,621.78-6,927.54-2,157.22

Finding the Fourth Proportional to 4,621.78, 6,927.54 and 2,157.22

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Solution

The fourth proportional to 4,621.78, 6,927.54 and 2,157.22 is: 3,233.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,621.78 : 6,927.54 = 2,157.22 : x
  2. Step 2: Convert to fraction form
    4,621.78/6,927.54 = 2,157.22/x
  3. Step 3: Cross multiply
    4,621.78x = 6,927.54 × 2,157.22
  4. Step 4: Simplify right side
    4,621.78x = 14,944,227.84
  5. Step 5: Solve for x
    x = 14,944,227.84/4,621.78
  6. Step 6: Final answer
    x = 3,233.44

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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.