Home / 4,879.02-7,306-2,685.30

Finding the Fourth Proportional to 4,879.02, 7,306 and 2,685.30

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Solution

The fourth proportional to 4,879.02, 7,306 and 2,685.30 is: 4,021.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.02 : 7,306 = 2,685.30 : x
  2. Step 2: Convert to fraction form
    4,879.02/7,306 = 2,685.30/x
  3. Step 3: Cross multiply
    4,879.02x = 7,306 × 2,685.30
  4. Step 4: Simplify right side
    4,879.02x = 19,618,801.80
  5. Step 5: Solve for x
    x = 19,618,801.80/4,879.02
  6. Step 6: Final answer
    x = 4,021.05

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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.