Home / 6,665.75-9,999.20-1,735.39

Finding the Fourth Proportional to 6,665.75, 9,999.20 and 1,735.39

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Solution

The fourth proportional to 6,665.75, 9,999.20 and 1,735.39 is: 2,603.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,665.75 : 9,999.20 = 1,735.39 : x
  2. Step 2: Convert to fraction form
    6,665.75/9,999.20 = 1,735.39/x
  3. Step 3: Cross multiply
    6,665.75x = 9,999.20 × 1,735.39
  4. Step 4: Simplify right side
    6,665.75x = 17,352,478.01
  5. Step 5: Solve for x
    x = 17,352,478.01/6,665.75
  6. Step 6: Final answer
    x = 2,603.23

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1.5x scale

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.