Home / 4,959.02-7,439.90-2,187.91

Finding the Fourth Proportional to 4,959.02, 7,439.90 and 2,187.91

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Solution

The fourth proportional to 4,959.02, 7,439.90 and 2,187.91 is: 3,282.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,959.02 : 7,439.90 = 2,187.91 : x
  2. Step 2: Convert to fraction form
    4,959.02/7,439.90 = 2,187.91/x
  3. Step 3: Cross multiply
    4,959.02x = 7,439.90 × 2,187.91
  4. Step 4: Simplify right side
    4,959.02x = 16,277,842.28
  5. Step 5: Solve for x
    x = 16,277,842.28/4,959.02
  6. Step 6: Final answer
    x = 3,282.47

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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.