Home / 7,798.26-11,702.02-2,871.36

Finding the Fourth Proportional to 7,798.26, 11,702.02 and 2,871.36

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Solution

The fourth proportional to 7,798.26, 11,702.02 and 2,871.36 is: 4,308.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,798.26 : 11,702.02 = 2,871.36 : x
  2. Step 2: Convert to fraction form
    7,798.26/11,702.02 = 2,871.36/x
  3. Step 3: Cross multiply
    7,798.26x = 11,702.02 × 2,871.36
  4. Step 4: Simplify right side
    7,798.26x = 33,600,712.15
  5. Step 5: Solve for x
    x = 33,600,712.15/7,798.26
  6. Step 6: Final answer
    x = 4,308.74

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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.