Home / 4,959.21-7,439.43-2,186.58

Finding the Fourth Proportional to 4,959.21, 7,439.43 and 2,186.58

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Solution

The fourth proportional to 4,959.21, 7,439.43 and 2,186.58 is: 3,280.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.21 : 7,439.43 = 2,186.58 : x
  2. Step 2: Convert to fraction form
    4,959.21/7,439.43 = 2,186.58/x
  3. Step 3: Cross multiply
    4,959.21x = 7,439.43 × 2,186.58
  4. Step 4: Simplify right side
    4,959.21x = 16,266,927.45
  5. Step 5: Solve for x
    x = 16,266,927.45/4,959.21
  6. Step 6: Final answer
    x = 3,280.14

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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.