Home / 4,879.28-6,733.14-2,890.02

Finding the Fourth Proportional to 4,879.28, 6,733.14 and 2,890.02

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Solution

The fourth proportional to 4,879.28, 6,733.14 and 2,890.02 is: 3,988.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.28 : 6,733.14 = 2,890.02 : x
  2. Step 2: Convert to fraction form
    4,879.28/6,733.14 = 2,890.02/x
  3. Step 3: Cross multiply
    4,879.28x = 6,733.14 × 2,890.02
  4. Step 4: Simplify right side
    4,879.28x = 19,458,909.26
  5. Step 5: Solve for x
    x = 19,458,909.26/4,879.28
  6. Step 6: Final answer
    x = 3,988.07

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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.