Home / 8,239.70-11,371.60-4,703.44

Finding the Fourth Proportional to 8,239.70, 11,371.60 and 4,703.44

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Solution

The fourth proportional to 8,239.70, 11,371.60 and 4,703.44 is: 6,491.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,239.70 : 11,371.60 = 4,703.44 : x
  2. Step 2: Convert to fraction form
    8,239.70/11,371.60 = 4,703.44/x
  3. Step 3: Cross multiply
    8,239.70x = 11,371.60 × 4,703.44
  4. Step 4: Simplify right side
    8,239.70x = 53,485,638.30
  5. Step 5: Solve for x
    x = 53,485,638.30/8,239.70
  6. Step 6: Final answer
    x = 6,491.21

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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.