Home / 8,200.31-11,315.70-4,843.26

Finding the Fourth Proportional to 8,200.31, 11,315.70 and 4,843.26

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Solution

The fourth proportional to 8,200.31, 11,315.70 and 4,843.26 is: 6,683.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,200.31 : 11,315.70 = 4,843.26 : x
  2. Step 2: Convert to fraction form
    8,200.31/11,315.70 = 4,843.26/x
  3. Step 3: Cross multiply
    8,200.31x = 11,315.70 × 4,843.26
  4. Step 4: Simplify right side
    8,200.31x = 54,804,877.18
  5. Step 5: Solve for x
    x = 54,804,877.18/8,200.31
  6. Step 6: Final answer
    x = 6,683.27

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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.