Home / 4,447.06-6,135.02-3,121.62

Finding the Fourth Proportional to 4,447.06, 6,135.02 and 3,121.62

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Solution

The fourth proportional to 4,447.06, 6,135.02 and 3,121.62 is: 4,306.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,447.06 : 6,135.02 = 3,121.62 : x
  2. Step 2: Convert to fraction form
    4,447.06/6,135.02 = 3,121.62/x
  3. Step 3: Cross multiply
    4,447.06x = 6,135.02 × 3,121.62
  4. Step 4: Simplify right side
    4,447.06x = 19,151,201.13
  5. Step 5: Solve for x
    x = 19,151,201.13/4,447.06
  6. Step 6: Final answer
    x = 4,306.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.