Home / 4,227.04-6,340.02-1,918

Finding the Fourth Proportional to 4,227.04, 6,340.02 and 1,918

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Solution

The fourth proportional to 4,227.04, 6,340.02 and 1,918 is: 2,876.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,227.04 : 6,340.02 = 1,918 : x
  2. Step 2: Convert to fraction form
    4,227.04/6,340.02 = 1,918/x
  3. Step 3: Cross multiply
    4,227.04x = 6,340.02 × 1,918
  4. Step 4: Simplify right side
    4,227.04x = 12,160,158.36
  5. Step 5: Solve for x
    x = 12,160,158.36/4,227.04
  6. Step 6: Final answer
    x = 2,876.75

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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.